4 Channel SD Card Mobile DVR, MDVR, Car DVR, Vehicle DVR, Vehicle Management Solution, Vechile Surveillance Solution with GPS, 3G and WIFI

4 channel video/audio input, D1/HD1/CIF adjustable

H.264 video compression, Linux operation system, dual streaming

Two SD card slots(Max 64GB for each)

Digital watermark

Internal 3G, WIFI and GPS module optional

Motion detection

8 seconds power-off delay for data protection, in order to prevent data lost and file destroyed by instant power-off

Other interfaces such as RS485, RS232 etc

Peripheral device extension supported, e.g. Control panel, bus stops announcement

Black box for vehicles, recording speed, position, acceleration, temperature, brakes, backing up, turns, alarms and other important information.

DC 8V to 36V wide range voltage power supply, embedded design in industrial

Standard, aluminum metal shell, low power consumption

Operating temperature -25℃~+85℃

Reversing switch function