Imaging Sensor CMOS Total Pixels 640*480 View Angel 58 degree Storage Medium Built-in memory with 4G and max. up to 16G Power Supply Li-ion battery Charge Time 4hour(Max. ) Work Time 3.5hour(Min. ) Consumptin Current(Max). 550mA Size 56*56*194( mm) Weight 304g Operating Temperature -10 º C-50º C Operating Humidity(Max> ) 85%RH · Compact digital video recorder and flashlight · Rechargeable Li-battery inside · Supports up to 16GB built-in memory · Video format: AVI · Waterproof (IP65) for all water usage · USB outlet, easily view video by connecting to computer · Save video evidence or record any real-time event · Package box size: 249 x 175 x 67mm. 56*56*194( mm).