Main Features 2 Channel GPS Car Black Box HD Black Box with digital LVDS cameras 2 Digital HD supported(Rear camera is optional) Includes a high sensitive GPS antenna(optional) When some error has occurred in use, it will sound an alarm Easy callibration Low voltage detection circuit is built in the device Compatible for 2GB∼32GB    Specification Specifications Video IN/OUT In 2 ch : 2 Digital HD(1280x720) (* Rear Camera is optional) Out CVBS(NTSC) 1EA + 1 Audio (for monitor connection) Voice Record On/Off Internal Mic. Camera(Front/Rear) CMOS 1/4" Digital CMOS Resolution 2 MEGA PIXEL(Max 1600x1200) Min. Operational Lux 1 Lux Angle of view 120° Pixels 1280 x 720pixel Acceleration Sensor   3D axis (G-SENSOR) Memory Card Spec. : Class10 32GB Micro SD CARD - max 32GB Recording Type Continuous, Event, Parking, Manual Recording Data Video H.264, MPEG4 Resolution 1280x720(HD) Front/Rear Frames(FPS) 1 ch : 30 / 2 ch : Front 20, Rear 10 Audio AAC, Mono Recording Time Continuous : 1 min. Event : Before 10 sec. / After 20 sec. Recording Information Time/ Battery / Impact(G-Sensor) / GPS(optional) OSD   GUI Others GPS Active GPS (SIRF-III or Ublox), Antenna(optional) Input Voltage DC 12V ~ 24V (Max 5V ~ 30V) Low Voltage Detection 9.0 ~ 12.6V(24V Mode : 21.0 ~ 24.6V) Operation Temp.   -20°C ~ 70°C Storage Temp.   -30°C ~ 80°C  Media Viewer