A complete 4-channel wireless CCTV surveillance system comprising:
4 x high-resolution external weatherproof CCTV cameras
4 x 2.4GHz transmitters in weatherproof enclosures
4 x 2.4GHz receivers in weatherproof enclosures
1 x 4-channel digital video recorder (DVR) with built-in 250Gbyte hard drive and USB backup
Complete set of power supplies and interconnecting leads
The transmission range of the cameras is about 80m line-of-sight. this can be increased to about a kilometre by adding transmitting and receiving antennae (see below).