Turn your ordinary camera into a wireless CCTV camera with the inexpensive and easy to use CW9900 from Clover Electronics. The system includes a wireless sender, a wireless receiver and all the necessary accouterments. With this system in place, you'll be able to send quality video and audio wirelessly at a distance of up to 700' (line of sight). Because of the 4-channel receiver, you can expand this system to include a total of 4 wireless cameras.