more information:http://www.stonkam.com/products/dv-425.html
Features
- Support 4 channel AHD 1080P input and HD HDMI 1080P output
- 4x1080P, 4x720P, 4xD1 and 4 mixed-resolution recording, with 15 seconds pre-recording function
- Start trigger recording, timer trigger recording, motion trigger recording, G-force trigger recording, over-speeding trigger recording, 8-channel customized alarm input trigger recording, remote control trigger recording
- 3G/4G/WIFI/GPS tracking technology,platform-side CMS server, IOS, Android and windows Client network client, can achieve real remotely monitoring
- WIFI support STATION and AP mode; AP mode can support that mobile directly connect to devices, and is easy for preview and configuration at mobile terminal
- Alarm recording, alarm information, log information, GPS trajectory, real-time videos and pictures remotely automatic uploading, remotely intelligent data analysis and management
- Various storage types: SD card * 4( max 128GB) can be all supported
- Support dual stream, sub-stream backup and network transmission
- Supports Gsensor acceleration sensor,GPS
- Support touch-screen and infrared remote control
- Well protected by Super-capacitor
- Shockproof:MIL-STD 810G
- Waterproof hard disk box
