2.4 GHz. A very small colour camera for use in daytime or lighted locations. Easy to conceal. Operates on an adaptor or a 9 volt battery, making it completely wireless and allows for flexible installation. The receiver can be placed by a TV/VCR/DVR making it easy to record whatever the camera captures. 55° field of view. Adjustable frequency on the camera which allows up to four cameras to one receiver. Approx. range: 100 m unobstructed. Comes with camera, receiver, two adaptors, a 9V (6LR61) battery connection, and a 1 m RCA lead. Size: 23x31x23 mm.