This is a set of 5.8GHz Wireless Door Peephole Camera and Receiver for you to build a Home Door Safety Surveillance System. This 5.8GHz Wireless surveillance system can avoid the signal interference from the over-crowded 2.4GHz signal nearby. This 90 degree viewing-angle Door PeepHole Camera is a high-end 720×480 pixels CMOS sensor with an extremely ...