Interduction:This item usually used for fishing, diving and swimming Watch the kids swimming, fishing in the aquarium, record snorkeling trips, boat tripsReceiver (monitor):Picture tube: 7-inch LCD screen Resolution: 380TVL Video system: NTSC or PAL Two channels video input Power input: 12V DC (for monitor) Power output: 12V DC (for camera)Camera:Image sensor: color CCD camera Lens: 6mm Picture pixels (H x V): 320 x 240 Scanning system: 2:1 interlace Resolution: horizontal 400TVL Minimum illumination: 0.1 Lux at F2.0 Video output: 1.0Vp-p/75 Ohms Auto-iris: electrical Shutter sensitivity: 1/60 to 1/6,000 seconds Microphone: electronic condenser Operating temperature: -14 to +122°F (-10 to +50℃) Dimensions (W x D x H): 1.8 x 1.4 x 2.3-inchPackage contents:One TFT monitor, one color underwater camera One piece of 20m cable, one storage battery, one AC/DC adapter Power connector cable and one user's manual