Ua ntej txhua tus tsav tsheb, sai lossis tom qab, cov lus nug tshwm sim ntawm yuav ua li cas xaiv lub DVR. Phau ntawv qhia no teev cov yam uas yuav tsum tau xav txog thaum yuav tus qauv uas haum rau qhov xav tau ntawm tus tswv lub tsheb.
Lub DVR yog ib qho khoom siv tseem ceeb rau lub tsheb. Lub cuab yeej tso cai rau koj sau cov kev mus ncig ntev thiab siv cov ntaub ntawv kaw tseg los tiv thaiv cov ntaub ntawv tsis muaj peev xwm thaum muaj xwm txheej ceev. Thaum cov qauv thaum ntxov tau siv los ntawm tub ceev xwm, tam sim no lawv cov koob meej tau loj hlob heev uas lub khw muaj ntau yam kev xaiv nrog ntau yam kev ua haujlwm.
DVR txawv ntawm lub koob yees duab li cas?
Nws ua haujlwm txawv txawv:
- automatically tig rau thiab tawm, piv txwv li lub koob yees duab pib thiab nres ua haujlwm ntawm nws tus kheej yam tsis muaj kev cuam tshuam sab nraud;
- kaw cov vis dis aus hauv lub voj tsis tu ncua, thaum tshem cov ntaub ntawv qub tshaj plaws thaum daim npav nco puv yog li koj tuaj yeem tua txuas ntxiv.
Cov no yog ob txoj haujlwm tseem ceeb tshaj plaws,uas txhua tus DVR muaj.
Nrog rau qhov muaj koob meej ntawm cov khoom siv no, cov qauv nrog cov yam ntxwv siab heev tau tshwm sim. Yog li vim li cas koj thiaj xav tau DVR thiab siv nws li cas?
Objective tim khawv
DVR tuaj yeem pab tau zoo thaum muaj xwm txheej. Thaum muaj xwm txheej tshwm sim, cov ntaub ntawv kaw tseg yuav muaj txiaj ntsig los txiav txim qhov ua rau ntawm qhov xwm txheej. Cov ntaub ntawv yees duab yog pov thawj, ua tsaug rau qhov koj tuaj yeem paub tseeb tias sab nraud yuav tsis cuam tshuam qhov tseeb hauv lawv qhov kev nyiam. Qee zaum muaj xwm txheej tshwm sim tam sim ntawd, thiab tus neeg ua txhaum cai tuaj yeem liam tus neeg raug tsim txom. Nyob rau hauv tas li ntawd, cov ntaub ntawv kaw yuav pab tau zoo.
Tshuaj rau cov kws dag ntxias
DVR footage tuaj yeem siv los ua pov thawj kev dag ntxias ntawm kev sib tsoo uas tshwm sim thaum lub caij sib tsoo.
Muaj ib pawg ntawm cov txiv neej uas nyiag nyiaj los ntawm cov neeg raug tsim txom, tshaj tawm cov kev raug mob tau txais los ntawm kev sib tsoo thiab kev puas tsuaj rau lub tsheb. Ua tsaug rau daim vis dis aus no, koj tuaj yeem txheeb xyuas tus neeg ua txhaum tseeb thiab yog li cawm tus neeg raug tsim txom los ntawm kev foob tsis ncaj ncees.
Kev tiv thaiv
Ntau lub koob yees duab nrawm ua haujlwm txawm tias lub tsheb raug kaw. Lawv cov koob yees duab muab cov yeeb yaj kiab rau tus tswv ntawm sab hauv thiab ib puag ncig ntawm qhov chaw nres tsheb. Txoj kev no, yog tias ib tug neeg ua rau lub tsheb puas thaum nres, lossis yog lub valet ua, yuav muaj pov thawj pov tseg kom tso cai rau tus neeg nkag mus caum.
Siv lub DVR, koj tuaj yeem tshawb xyuas seb cov kws kho tsheb puas raug tsim txomnrog rau tus neeg siv lub tsheb tso rau lawv.
Cov ntaub ntawv ntawm kev mus ncig ntev
Yog tias koj tab tom npaj mus ncig ntev ntawm txoj kev zoo nkauj, DVR tuaj yeem siv los sau koj qhov kev mus ncig. Cov footage yuav muaj txiaj ntsig zoo rau kev tsim cov yeeb yaj kiab txog kev mus los lossis tsuas yog nco txog koj qhov kev lom zem.
Kev lav nyiaj
DVR cov ntaubntawv povthawj siv tuaj yeem ua lub hauv paus rau kev tsim thiab lees txais cov ntaub ntawv pov hwm. Thiab qee lub tuam txhab pov hwm kev tuav pov hwm muab kev txo nqi tseem ceeb rau cov neeg uas muaj cov cuab yeej no tau teeb tsa hauv lawv lub tsheb, vim tias cov neeg nyiam tsheb no tau ceev faj thiab saib xyuas cov neeg tsav tsheb uas xav tias muaj kev nyab xeeb dua nrog cov ntaub ntawv pov thawj ntawm lawv cov ntaub ntawv. Qhov no muaj tseeb, tab sis tsuas yog nyob rau hauv cov ntaub ntawv ntawm ib tug meej thiab zoo cov ntaub ntawv, nyob rau hauv uas tag nrho cov ntsiab ntawm txoj kev yog pom thiab cov npe ntawm lub tsheb ntawm lub culprit yuav txawv.
Kaum tus yam ntxwv zoo
Raws li tau hais los saum no, muaj ntau ntau hom kev khiav ceev ntawm lub khw, xws li los ntawm cov qauv yooj yim mus rau cov khoom siv ntau yam. Nyob ntawm cov peev nyiaj thiab kev xav tau ntawm cov neeg nyiam tsheb, koj tuaj yeem xaiv cov uas tsim nyog ua ntej.
Cov hauv qab no yog qee cov lus qhia yuav ua li cas xaiv lub koob yees duab kom raug rau koj lub tsheb.
Video zoo
Video zoo yog qhov tseem ceeb tshaj plaws ntawm DVR. Cov qauv zoo tshaj plaws muaj cov kev daws teeb meem zoo thiab cov zis video meej. Grainy dluab thiab suab ntsiag to yuav tsis pab, thiab cov duab zoo li no yuav tsis muaj txiaj ntsig hauv kev pov hwm thiab kev sib tsoo. Tus neeg tsav tsheb yuav tsum nrhiav cov khoom siv nrog lub koob yees duab zoo heev thiab kev daws teeb meem video zoo - 720p lossis 1080p. Cov qauv nrog cov duab qis dua yog pheej yig dua, tab sis qhov muag plooj video tsis ua raws li qhov yuav tsum tau ua rau nws. Ua ntej xaiv DVR, koj yuav tsum saib cov vis dis aus ua nrog nws. Ib qho piv txwv ntawm tus qauv uas ua tau zoo hauv qhov no yog Aspiring GT9, raws li cov neeg siv, uas tua hauv 1080p nrog 148 ° kev pom.
Videos yuav tsum tau txhaj rau hauv cov xwm txheej sib txawv - tsis tshua pom kev, nruab hnub thiab hmo ntuj. Txoj hauv kev zoo tshaj plaws los txiav txim siab yog saib cov duab ntawm cov neeg siv tiag tiag, tsis yog tsim los ntawm cov chaw tsim khoom. Cov neeg tsim khoom siv zog sau cia nyob rau hauv cov xwm txheej zoo, yog li lawv cov duab zoo li qub.
Video zoo nyob ntawm cov duab sensor, processor thiab lens. Ua ntej xaiv lub tsheb khiav ceev cam, koj yuav tsum xyuas kom meej tias lub koob yees duab muaj qhov loj ntawm kev pom thiab ntes cov duab los ntawm lub kaum ntse ntse. Optics tseem ceeb heev. Cov iav lo ntsiab muag pom tau tias zoo dua li cov iav lo ntsiab muag.
Storage peev
Vim tias DVR tau kaw tas li, nws yog ib qho tseem ceeb uas yuav tau yuav ib lub cuab yeej nrog lub cim xeeb txaus. Loop kaw yuav txuag video tshaj thawj zaug kaw. Yog tias tus nqi ntawm cov ntaub ntawv khaws cia me me, ces lub cuab yeejpib rho tawm cov yeeb yaj duab qub los ntawm tib qho kev mus ncig. Qhov no yuav tso cov duab me me, uas yog qhov tsis lees txais.
Yog tias DVR yog HD, nws yuav tsim cov ntaub ntawv loj, uas yuav xav tau ntau qhov chaw cia. Daim npav nco siv hauv cov khoom siv no raug cais raws li lawv qhov kev sau nrawm hauv Chav Kawm 1, 2, 4, 6, thiab 10.
Xaiv daim npav nco kom raug
Feem ntau cov tuam txhab DVR pom zoo rau chav kawm 6 lossis siab dua, tab sis daim npav nco zoo tshaj plaws yog ib qho nrog chav kawm 10. Cov ntawv cim xeeb qis tsis pom zoo vim tias lawv tsis ntseeg siab thiab muaj cov yeeb yaj kiab tsis zoo.
Qhov loj ntawm cov ntaub ntawv khaws cia kuj yog qhov tseem ceeb. Qhov nruab nrab, HD DVR tuaj yeem kaw cov vis dis aus ntawm 8 GB nco daim npav rau 2-3 teev ua ntej sau cov duab uas twb tau kaw lawm. Ib daim npav 16 GB yuav sau rau 4-6 teev, daim npav 32 GB rau 6-12 teev, thiab daim npav 128 GB rau 20-40 teev. Cov no yog txhua yam tseem ceeb thaum txiav txim siab seb yuav xaiv DVR. Tus tswv tshuaj xyuas hais txog kev txhawb nqa rau Chav Kawm 10 nco phaib nrog lub peev xwm ntawm 32 GB lossis ntau dua li qhov zoo tagnrho.
Sizes
Qhov tseem ceeb uas yuav tsum tau xav txog ua ntej xaiv DVR rau lub tsheb yog nws qhov loj. Cov yam ntxwv no yuav cuam tshuam rau tus naj npawb ntawm cov haujlwm txhawb nqa. Cov khoom me me thiab zoo huv si tsis sivNtau qhov chaw thiab haum rau cov tsheb me. Lub koob yees duab yuav tsum tsis txhob mloog ntau dhau rau nws tus kheej.
Cov neeg siv khoom feem ntau nyiam DVRs me me. Tab sis lawv qhov me me txwv lawv lub peev xwm thiab cov ntaub ntawv khaws cia. Cov cuab yeej no tsis tso cai rau koj saib cov duab ntawm lub vijtsam built-in thiab tsis txhawb cov yam ntxwv siab heev xws li GPS, lub suab sensors, thiab lwm yam.
Nws yog qhov zoo dua, raws li kev tshuaj xyuas, xaiv DVRs nrog cov koob yees duab tsis pom zoo lossis zais ntau lub koob yees duab. Lawv yog cov me me, pleev xim rau xim dub thiab yuav luag tsis pom, tib lub sijhawm lawv muaj qhov txaus ntawm lub cim xeeb sab hauv. Raws li cov neeg siv tshuaj xyuas, ib qho ntawm cov qauv zoo tshaj plaws ntawm hom no yog Black Box Mobius Pro.
Kev ntseeg
Yuav ua li cas xaiv lub DVR zoo? Nws yog ib qho tseem ceeb los yuav ib qho qauv uas txawv ntawm nws txoj kev ntseeg siab. Vim tias cov cuab yeej txhawb nqa pib pib thiab pib-tawm, tus neeg siv tsis paub tias nws puas ua haujlwm lossis tsis ua haujlwm. Tus neeg tsav tsheb yuav tsis saib daim vis dis aus mus txog hnub lawv yuav tsum tau tshuaj xyuas ib yam dab tsi.
Yog tias lub cuab yeej tsis ntseeg tau, ces muaj caij nyoog uas cov ntaub ntawv xav tau yuav tsis nyob hauv nws lub cim xeeb. Yog li ntawd, ua ntej xaiv lub DVR, koj yuav tsum tau xyuas cov kev tshuaj xyuas txog nws cov hauj lwm.
processor
Ntau lub tuam txhab tshaj tawm uas CPU tau teeb tsa hauv lawv cov qauv DVR. Tau kawg, CPU yog qhov tseem ceeb heev, tab sis cov tsis tseem ceeb kuj yogyog qhov kev daws teeb meem ntawm cov duab sensor thiab cov yam ntxwv ntawm lub lens. Yog li ntawd, sib txawv DVRs nrog tib CPU qhia video ntawm drastic sib txawv zoo.
kev xaiv Mounting thiab yooj yim ntawm kev teeb tsa
DVRs tuaj ntawm ntau qhov sib txawv thiab nrog cov kev xaiv sib txawv. Qee tus ntawm lawv tau teeb tsa rau ntawm lub qhov cua (cov neeg siv tshuaj xyuas nco ntsoov tus qauv ntawm Suav chaw tsim khoom Ste alth DVR ST220), thaum lwm tus nyob tom qab daim iav saib. Nyob rau hauv ib lub tsheb me me nrog qhov chaw tsawg, nws yog qhov zoo tshaj plaws los nrhiav kev xaiv uas yuav tsis cuam tshuam rau tus neeg tsav tsheb saib thiab tsis siv ntau qhov chaw. Feem ntau, cov khoom siv no tau nruab nrog lub khob nqus dej ntawm lub qhov cua los yog siv cov nplaum ib nrab mus tas li.
Ua ntej xaiv lub tsheb DVR, koj yuav tsum txiav txim siab seb txoj kev txuas twg yog qhov zoo tshaj rau koj thiab yuav cov qauv yooj yim rau nruab uas zoo li zoo. Cov cuab yeej, uas txuas nrog lub khob nqus dej, tuaj yeem tshem tau yooj yim thiab txav mus yog tias tsim nyog. Lub tshuab nqus tsev mount zoo nkaus li loj dua, tab sis muab cov neeg siv yooj yim lawv xav tau. Glue mounting zoo dua thiab muaj kev paub zoo dua, tab sis nws tsis tuaj yeem tshem tawm lossis txav mus.
ntau tus channel
Kev txiav txim siab seb yuav xaiv 1-channel lossis 2-channel DVR yog ib qho tseem ceeb tshaj plaws.
qauv channel ib leeg muaj ib lub koob yees duab thiab tsuas yog sau tau dab tsi tshwm sim hauv pem hauv ntej ntawm lub tsheb. dual channelkev xaiv tso cai rau koj sau dab tsi nyob rau hauv pem hauv ntej, qab thiab hauv lub tsheb. Yuav ua li cas xaiv qhov zoo DVR hauv qhov no?
Lub lens ib leeg no yog qhov kev xaiv zoo rau kev kaw qhov tshwm sim hauv pem hauv ntej ntawm lub tsheb. Nws yuav ua tau txoj haujlwm zoo ntawm kev ntes cov kev mus ncig ntawm daim npav nco thiab muab pov thawj rau kev tiv thaiv thaum muaj xwm txheej lossis kev dag ntxias.
Lub Dual Channel DVR muaj 2 lo ntsiab muag lossis cov channel thiab ib txhij sau cia pem hauv ntej thiab nraub qaum. Lub koob yees duab thib ob tuaj yeem nyob qhov twg hauv lub tsheb. Nws tseem tuaj yeem muab tso rau saib xyuas txhua yam khoom muaj txiaj ntsig hauv tsev.
Tseem muaj cov qauv nrog ob lub koob yees duab ua rau hauv ib lub cev. Cov koob yees duab khiav ceev no muaj ib lub lens taw rau pem hauv ntej thiab lwm qhov tig mus rau tom qab ntawm lub tsheb.
G-sensor
Lub ntiajteb txawj nqus sensor yog ib qho ntawm cov yam ntxwv tshaj plaws ntawm lub koob yees duab khiav ceev. Nws tau qhib thaum lub tsheb koom nrog kev sib tsoo thiab cov vis dis aus raug tiv thaiv tam sim los ntawm kev sau lossis tshem tawm. Nov yog lub sijhawm zoo los tiv thaiv lub tsheb nres los ntawm kev ua phem thiab tub sab. Raws li cov neeg siv tshuaj xyuas, piv txwv zoo ntawm hom qauv no yog Falcon Zero F170HD+. Txawm li cas los xij, DVR los nrog 5-xyoo lav, uas feem ntau tsis pub dhau ib xyoos.
GPS
Rau cov neeg xav paub xaiv lub tsheb DVR zoo li cas, nws yuav muaj txiaj ntsig kom paub tias cov qauv niaj hnub no feem ntau txhawb nqa zoo li no.functionalities zoo li GPS thiab ceeb toom ceev. Lub geo-positioning system ntxiv thav duab nrog cov ntaub ntawv hais txog qhov ceev thiab qhov chaw ntawm lub tsheb, nrog rau hnub thiab sijhawm tam sim no. Cov ntaub ntawv no yuav raug siv ua pov thawj.
Qee DVRs tuaj yeem muab kev qhia tig-los-tig rau koj qhov chaw. Lawv ua hauj lwm zoo li cov cuab yeej navigation thiab tshem tawm qhov xav tau rau ib qho kev sib cais navigation, txuag chaw ntawm koj lub dashboard.
Qee tus qauv kuj tseem yuav nruab nrog Txoj Kev Ceeb Toom Tawm, Kev Tswj Tsav Tsheb thiab Kev Tshawb Xyuas Nres Nres los muab kev pabcuam tsav tsheb tseem ceeb.
Radar Ntes
Yuav ua li cas xaiv lub DVR nrog lub radar rau lub tsheb? Cov qauv zoo tshaj plaws muab kev ceeb toom ntxov ntawm kev ua haujlwm ntawm kev ua haujlwm ntawm kev ua haujlwm thiab kev tswj xyuas ceev, tsis cuam tshuam rau cov teeb liab tsis cuam tshuam rau tub ceev xwm thiab tub ceev xwm tsheb. Yog li, thaum txiav txim siab uas DVR nrog lub radar ntes xaiv, koj yuav tsum tau them sai sai rau nws qhov ntau, muaj peev xwm ua haujlwm yam tsis tau hloov kho daim ntawv qhia radar, thiab kev tiv thaiv suab nrov. Raws li cov neeg siv tshuaj xyuas, ib qho ntawm cov qauv zoo tshaj plaws ntawm hom no yog Korean Sho-Me Combo No. 1 thiab Suav Ste alth MFU-630.
Heat resistance
Lub DVR tau teeb tsa ntawm lub qhov cua thiab ua rau lub hnub ci tawg tas li. Txuas mus rau qhov kub thiab txiastuaj yeem ua rau cov ntaub ntawv tsis zoo thiab tsis ua haujlwm ntawm cov khoom siv hluav taws xob.
Txhawm rau zam qhov no, koj yuav tsum xaiv tus qauv uas tuaj yeem tiv taus qhov kub thiab txias. Cov khoom siv pheej yig tshaj yog tsim los ntawm cov khoom siv qis uas tsis muaj cua sov. Yog li ntawd, ua ntej xaiv DVR, koj yuav tsum tau nyeem cov kev tshuaj xyuas thiab nug cov lus nug txog lub peev xwm ntawm lub cuab yeej los tiv thaiv thermal stress. Raws li cov neeg siv tswv yim, tus qauv zoo tshaj plaws ntawm hom no yog KDLINKS X1, uas tuaj yeem ua haujlwm ruaj khov ntawm qhov kub ntawm 77 ° C.
ntsuas ntsuas ntsuas
Ntau lub koob yees duab nrawm txhawb kev tshawb nrhiav, uas yog qhov tseem ceeb heev thaum lub tsheb nres. Hauv hom chaw nres tsheb, lub koob yees duab tau qhib rau ntawm qhov cuam tshuam. Yog tias DVR txhawb Wi-Fi wireless kev sib txuas lus, nws yuav xa ntawv ceeb toom thiab tus tswv yuav tuaj yeem pom nws lub tsheb thiab txhua yam uas tshwm sim hauv lub sijhawm. Raws li cov neeg siv tshuaj xyuas, ib qho ntawm cov qauv zoo tshaj plaws ntawm hom no yog Blackcam BCH-1000 Hybrid.
Hmo pom kev
Lwm yam uas yuav tsum nco ntsoov ua ntej xaiv DVR rau lub tsheb, kev tshuaj xyuas hu rau kev ua haujlwm ntawm cov cuab yeej nyob rau hauv cov teeb meem tsis tshua muaj. Ua ntej yuav ib lub cuab yeej, koj yuav tsum xyuas seb nws puas muaj peev xwm thiab yog tias lub koob yees duab tau nruab nrog lub teeb pom kev zoo.
Kuv puas xav tau kev pom hmo ntuj? Feem ntau cov xwm txheej thiab tsheb sib tsoo tshwm sim thaum hmo ntuj, thiab rau DVR kom muaj txiaj ntsig, nws yuav tsum tau sau cov khoom zoo heev hauv lub teeb qis. Rau cov neeg uas nquag tsav tom qab tsaus ntuj, qhov no yog qhov yuav tsum tau.
Yuav ua li cas xaiv qhov zoo DVR hauv qhov no? Saib rau cov qauv nrog dav dynamic ntau WDR, kuj hu ua siab dynamic range HDR. Lub koob yees duab uas txhawb nqa qhov kev ua haujlwm no tuaj yeem sau thiab ua cov duab hauv lub teeb qis thiab txhim kho nws qhov programmatically.
Lwm yam xav txog
Thaum yuav DVR, koj yuav tsum ua tib zoo mloog cov hauv qab no.
Qhov ntev ntawm lub hwj chim adapter qaum yuav tsum yog 3.5 m lossis ntev dua. Qhov no yuav tso cai rau koj los txhim kho cov xaim nyob ib puag ncig ntawm lub tshuab cua, tiv thaiv nws los ntawm kev dai, thaiv tus neeg tsav tsheb saib. Yog tias tus neeg muag khoom tsis qhia qhov ntev ntawm lub cable, nws yuav tsum tau kuaj xyuas ua ntej yuav khoom.
Yuav tsum tsis muaj sijhawm sib txawv ntawm cov ntaub ntawv video. Feem ntau niaj hnub DVRs tsis muaj qhov teeb meem no.
Qee tus qauv tuaj nrog LEDs. Raws li cov tuam ntxhab, lub teeb pom kev zoo txhim kho qhov zoo ntawm kev kaw video hmo ntuj. Hmoov tsis zoo, xws li LED teeb tsis txhim kho cov yees duab, vim tias lawv tsis muaj hwj chim txaus. Tsis tas li ntawd, vim yog lawv, qhov ci ntsa iab ntxiv ntawm lub qhov cua tuaj yeem tshwm sim ntawm kev kaw. Yog li ntawd, yog tias DVR tau nruab nrog cov teeb pom kev zoo li no, nws yog qhov zoo dua tsis txhob tig rau lawv. Ib qho piv txwv ntawm cov cuab yeej no, raws li cov neeg siv tshuaj xyuas, yog Gazer H521.
koob yees duab hom
Muaj ntau ntau hom DVRs muaj nyob rau hauv khw, uas tuaj yeem faib raws li lawvfunctionality ob qho tib si yooj yim thiab advanced.
Cov qauv nkag qib yog cov khoom siv yooj yim ib leeg-channel uas tsis muaj ntau qhov kev ua haujlwm ntxiv. Lawv me me, tsis meej pem thiab sau dab tsi tshwm sim nyob rau pem hauv ntej ntawm lub tsheb. Cov cuab yeej ntawm hom no ntes ob qho tib si video thiab suab. Lawv txhawb cov qauv nta xws li lub voj kaw thiab pib qhib / tawm. Cov DVRs no yog qhov zoo tshaj plaws rau cov neeg uas tab tom nrhiav cov khoom siv yooj yim uas ua haujlwm tawm ntawm lub thawv. Raws li cov neeg siv tshuaj xyuas, ib qho ntawm cov khoom siv zoo tshaj plaws ntawm hom no yog lub thawv Dub G1W Original.
Cov qauv Advanced feem ntau yog ob-channel systems thiab tuaj nrog cov yam ntxwv siab heev xws li GPS, suab sensors, G-sensors, Wi-Fi, navigation system, HD kaw, thiab lwm yam. Lawv zoo rau cov tswv lag luam thiab cov tsheb. uas xav tau kev tiv thaiv tag nrho. Piv txwv li, cov neeg siv tshuaj xyuas nco ntsoov Blackvue DR650GW-2CH thiab Blackcam BCH-1000 Hybrid qauv.
In xaus
Kev txiav txim siab seb DVR xaiv twg yog qhov tseem ceeb, vim tias cov cuab yeej no yog ib qho khoom siv tseem ceeb uas yuav los ua ke rau tus neeg tsav tsheb hauv qhov xwm txheej tsis tau pom dua. Nws yog ib qho yuav tsum muaj rau cov tsheb kim thiab kev lag luam, raws li cov yeeb yaj kiab ua nrog nws tau pab ntau tus neeg raug tsim txom kom tawm ntawm qhov xwm txheej tsis zoo.
