The Cube Alarm Clock radio is a fully functioning plug and play surveillance system, with a high quality CCD camera built inside the camera is virtually hidden. We integrate a 2.4 GHz 4 channel transmitters to create a wireless system for ease of placement and include a matching 8 channel scroll selectable receiver. Why 8 channels? This allows the user versatility in a wireless application. Each clock radio has a choice of black and white or color camera. If wireless is not the solution you are looking for we also stock wired versions of the same high quality item. Specifications Camera Specifications: 3.6mm Lens 1/3 DSP Color CCD image Sensor 1/4 DSP B/W 380 lines of resolutions color , 420 lines B/W 0.5 LUX color, .05 B/W DC 12V power NTSC Audio is not available Transmitter / Receiver Specifications: 8-channel operations Auto switching capable (receiver) 300 - 700 foot line of sight (LOS) approximate range (LOS is dependent upon, obstructions and interference from other wireless devices) Includes: Hidden Video camera systems (Cube Stlye Hidden Camera) Power supply RCA Cable Instructions Size 4 3/4 x 4 3/4 x 4 3/4