Lens Sensor 12 Mega pixels CMOS (Front and Back) - Still Image 5 Mega Pixel CMOS (Front) - Video Recording 3 Mega Pixel CMOS (Back) - Video Recording G-sensor 3 Axis, 4G (Low/Medium/High) Lens 2 CMOS sensors: <1> 1 / 2.7" light sensation area <2> low light (with a 5.5M long AV cable) Fixed focus, F = 2.0, Full Glass, FOV=155 Wide Angle Lens 170 degree (Front and back) Display 3" TFT LCD (Display Option - Front Camera/Rear Camera/Dual Camera Recording View) Video output 3.5mm AV-out Composite: NTSC/PAL Video Code H.264 MP4 Recording format MP4 Recording resolution Full HD: 1920 x 1080(30fps) - Both resolution available in Front and Back lens HD: 1280 x 720(30fps) Recording media External: Micro SDHC or MicrSD Card (Upto 32GB). Class 10 and above Audio Mic and Speaker(Mono)Equipped Shutter button Electronic shutter Shutter speed 1/2 - 1/1000 second White Balance Auto Night Vision Auto Connection Port USB 2.0 / AV-Output Battery 3.7V 500mAh Lithium-ion Battery USB High Speed USB 2.0 Size 96.5(L) x 55.0(W) x 20.0(H)mm - Front Camera 45.0(L) x 31.0(W) x 10.0(H)mm - Back Camera Weight 80g - Front Camera 15g - Back Camera Working humidity 10% ~ 80%