3G 4ch 720P bus dvr video surveillance

*  Industrial Grade Linux 3.0 embedded dvr, good anti-vibration performance. *  D1 H.264 dvr recorder double stream for recording  *  8-channel video input, 1channel video output *  UPS technology Automatic protection against sudden power off *  Support ACC power on/off *  Wide voltage range of 8-36 V and Automatic heater *  Embedded G-Sensor *  Support 1 HDD (up to 2TB) or 1 SD cards storage, each up to 128Gb *  Support 3G/4G Optional *  Support WIFI Optional *  Support GPS model optional, support GPS avl trace monitoring *  Support GPS over-speed alarm, acceleration alarm, motion detection alarm *  RJ45 Lan port, support router for cloud remote setting *  I/O RS232/485 Extension Port for Customization: Door opening alarm / Pan/Tilt / oil sensor / url:http://www.sodimaxfleetsolutions.com