| Item | Description |
| Operation system | Linux |
| GUI | Setup system parameters with remote controller |
| Security management | Support user password, supervisor password management; support encryption transmission |
| Video | Video input/output | 4-channel video input, 1-channel video output; 1.0Vp-p, 75? |
| Dual stream | Support |
| OSD | Time & date, vehicle ID, GPS etc |
| Compression | H.264. Hi-silicon high performance processor is applied. |
| Preview function | Single channel, 4-picture splicing preview, support event triggered full screen and splicing switching display function |
| Video frame rate | PAL: 100 frame/sec, up to 25 frame/sec for single channel
NTSC: 120 frame/sec, up to 30 frame/sec for single channel |
| Video resolution | CIF, HD1, D1, 4D1 adaptive |
| Video quality | Level 1 to 4 video quality adaptive, level 1 best, level 4 lowest |
| Video Bit Rate | CIF: 256Kbps ~ 1.5 Mbps, 5 levels of bit rate optional
HD1: 600Kbps ~ 2 Mbps, 5 levels of bit rate optional
D1: 800Kbps ~ 3Mbps, 5 levels of bit rate optional
4D1: 800Kbps ~ 1.5Mbps, 5 levels of bit rate optional |
| Audio | Audio input/output | 4-channel input; 1-channel output |
| Compression | G.726 |
| Recording | Storage media | Support SD card with 64G maximum capacity |
| File format/system | ASF/ FAT32 |
| Recording mode | Startup recording by default, support auto, timed, alarm & manual recording |
| Recording search | Search recording video files by time, type, storage device, etc. |
| Recording playback | Support local playback, support up to 4-channel synchronous playback, and analyze the vehicle message in the file at the same time |
| Support fast forward, fast backward, play, pause controls, support 2, 4, 8, 16 times speed fast forward or fast backward, support the control of playback by time |
| Alarm | Alarm input | 6-channel I/O alarm input |
| Alarm recording | Pre-recording function, 15 seconds pre-recording of alarm, recording time after alarm can be adjusted in between 30 sec ~ 30 min |
| Alarm output | 1-channel alarm output |
| Storage space | Support the setting of remain storage space alarm function |
| Functional alarm | Over-speed alarm, g-sensor alarm, voltage alarm, snapshot alarm, motion detection alarm |
| Communication interface | RS232, RJ45 10M/100M self-adaption Ethernet interface |
| Wireless transmission (optional) | Built-in 3G wireless transmission module, WCDMA, CDMA2000, TD-SCDMA system optional; Compatible with GPRS, EDGE; Built-in Wi-Fi module for optional; |
| GPS (optional) | Support external GPS module |
| Data remote transmission | Support 3G/Wi-Fi transmission, Wi-Fi priority transmission strategy, remote download; |
| PTZ control | Support PTZ control function by local remote controller or client software; |
| Parameter configuration | Support parameter configuration |
| G-sensor | Built-in |
| System upgrade | Support SD card / Remote upgrade |
| Power supply & consumption | Power supply management | ACC startup/shutdown; Hard disk lock startup/shutdown; Delay shutdown; Timing startup/shutdown |
| Input voltage | DC:+8V ~ +36V |
| Output voltage | +12V@4*0.5A;+5V@0.5A |
| Power-off protection | Patent UPS power-off protection technology for optional, ensure the integrality of recording data when accidental power failure occurs |
| Power consumption | Less than 10W in normal working state; less than 0.5W in standby mode |
| Working environment | Temperature | Normal: -20 ~ +60
Hard disk pre-heating: -25 ~ +60 |
| Humidity | 10% to 95% |
| Dimension | 142(W) x36(H) x123(D) mm. |
| Weight | Net weight:550g, gross weight:1000g |
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