4CH real time AHD 720p 3G GPS taxi system with smart CCTV camera
4 x 720p AHD or 4 x 960H/D1/HD1/CIF + 1 x IPC (720/1080p) 
G-sensor
2 Wi-Fi antennas (3Mb/s) optional
- 4 channels synchronized video and audio recording and playback
-Supports 4 channels CIF/HD1/D1/960H/720P AHD camera video input
Supports 2-CH 720p AHD + 2-CH 960H analog mixing video input
Supports 1-CH 720p/1080P IPC + 4-CH 960H/D1/CIF video input
Note: 4 channels 720p AHD or 1-CH 720P/1080p IPC + 4-CH 960H
Video input need high fast SD card, speed over 80MB/S
- Dual SD card storage, support 128GB SDHC card and class 10 SD XC card
- Build-in G-sensor module 
- Automatic downloading video files
- 8 seconds delay power-off for data protection
- 8-36V wide voltage power supply
- Dimensions: (L) 188 x (W) 170 x (H) 50mm