... ,2.4GHz wireless camera 2,wireless digital camera 3,mini handheld camera 4 handheld camerra,four sections at the screen 2.4ghz wireless digital security camera ... MSN MessengerSpecification:CameraImaging Sensor: 1/4-inch CCD CMOS Total Pixels: PAL: 512(H)*582(V) NTSC ... Control: Automatic Frequency: ISM 2,400~2,483MHz 4CH* Transmission Power: 2mW Modulation Mode: FM Bandwidth: 18MHz Power Supply: ...