Mô tả sản phẩm: Đầu ghi hình Jovision JVS-D7904-HV
| Model/Specification | JVS-D7904-HV | |
| Video&Audio | Video Input | 4CH BNC |
| Video Output | HDMI(1920*1080/1440*900/1280×1024/1024×768) VGA（1920*1080/1440*900/1280×1024/1024×768） CVBS（PAL：720×576/NTSC：720×480） |
|
| Audio Input | 4CH RCA | |
| Audio Output | 1CH RCA | |
| Video Compression | H.264 | |
| Encoding |
DVR Mode:4CH 1280H 1280H(1280*720)×3+1080P×1/1280H(1280*720)×2+1080P×2/1280H(1280*720)×1+1080P×3 |
|
| Recording Resolution | 1080P/1280H(1280*720) | |
| Video BitRate | 768kbps～8192kbps | |
| Audio Compression | G.711 | |
| Storage | HDD Type | SATA Interface |
| HDD Number | 1pcs（up to 4T/pcs） | |
| File Format | log：*.txt/picture：*.bmp/record：*.mp4 | |
| Log Number | 2000 | |
| USB（backup） | Support U disk/Mobile HDD FAT32 format | |
| Record | Record Type | Manual,Scheduled,Alarm,Motion Detection |
| Record Mode | Cyclic Covering/Stop Recording | |
| Playback Control | Play, Pause, Stop, Rewind, Fast play, Slow play, Digital zoom | |
| Search Mode | All/Channel/Record Type/Date(Alone or Combined query) | |
| Network | Ethernet | 10M/100M Adaptive |
| 3G wireless network card | coming soon | |
| Dual Stream | Support | |
| Max Remote viewing channel | 8CH | |
| Protocol | TCP/IP，DHCP，PPPoE，UDP | |
| WIFI Module | N/A | |
| AutoDial | N/A | |
| Client-end | Cloudsee/WebCC/Android/IOS | |
| External | Network | 1 RJ45 10M/100M adaptive Ethernet Interface |
| USB Interface | 2 USB 2.0 Interfaces | |
| Serial Interface | 1 RS-485 interface | |
| Operation device | Mouse/Remote Control/Front Panel | |
| Remote Control | Support | |
| Alarm In | 4 groups，32CH external alarm input box | |
| Alarm Output | 4 groups，32CH external alarm output box | |
| Smart Phone | Mobile OS | Android/IOS |
| Support Protocol | TCP/UDP | |
| Features | Screen Layout | 1/2/4 Screens |
| Alarm notification | Buzzer/Alarm device/PTZ call, Send alarm to client-end/E-mail alarm | |
| Digital Zoom | Support | |
| USB Recovery | Support | |
| Voice Intercom | Support | |
| Night Vision Mode | Support | |
| Privacy Mask | Support | |
| Video Loss Alarm | Support | |
| Alarm Snapshot | Support | |
| SyncPlayback | 2CH 1280H(1280*720)/2CH 1080P | |
| General | Working Temperature | -10℃～+55℃ |
| Working Humidity | 10%～90% | |
| Power Supply | DC12V | |
| Power | ≦15W（HDD not included） | |
| Language |
Multi-Language |
|
| Size(W×H×D)(mm) | 295×45×235 | |
| Weight(g) | ≤1080g |
|
