Clock Radio Camera Micro camera built into a fully functioning clock radio. 12V. Power Supply operates entire system. Just plug in and unit is working.
Specs: ST-121W, & G B/W, 420 Lines of Resolution, .5 LUX, 3.6mm Wide Angle
ST-121WC, & GC Color, 380 Lines of Resolution, 1 LUX, 3.6mm Wide Angle
434MHz cameras use your TV (use channel 59) to receive image.
900MHz or 2.4GHz cameras need a receiver.