Nest boxes are made from FSC English Red Cedar wood which has its own natural preservative. Cameras have a built in sensor to switch off the infra red lighting during the day to prevent clour images appearing "over exposed or whitened out".Camera fitted is 1/3" CCD 420TVL colour camera with audio and infrared and 3.6mm wide angle lens. Sensor controlled background lighting fitted to ensure colour images during the day, even in dull conditions is optional. The background lighting does not disturb the nesting birds. The kits are supplied with 20 metres of cable, 12-volt power supply, scart adaptor, and assorted predator guards. Ready to go. Just plugs into your TV. All our nest boxes can be adapted for various species by fitting the appropriate predator guard, or removal of the upper section of the nest box front.These nest boxes are available as wireless options. Strict criteria and operational conditions must be met for satisfactory result. (See section on wireless equipment) For PC/Laptop/Mac use, you will need a video to usb adaptor.