Based on our best selling wireless video and audio links, our 2.4 GHz 4 camera digital video link uses advanced digital technology to overcome common interference issues found in the popular 2.4 GHz band from devices such as cordless phones or wireless routers. The wireless digital video link comes complete with 4 wireless digital cameras with Sony CCD chipsets, 420 lines resolution and a 0.2 lux low light rating. These wireless video links can transmit digital video and audio signals up to 600 feet line of sight and the receiver displays all four cameras at once in a quad display. This is an ideal system for your home or small business applications, or anywhere a fast and easy installation is desired. Our digital wireless video link comes with power supplies, instructions, a 1 year warranty and a 30 day money back guarantee. Lenses not included.