Go to : http: / / www.totodeal.com/ wireless-24ghz-spy-hidden-covert-clock-camera-nann y-cam_p284.html For Detail-- Brand New Spy Hidden Camera Clock 2.4GHZ Plug and Play Product Specifications: 2.4Ghz wireless camera which a table clock. Electronic Shutter : 1/ 60-1/ 15000' s S/ N Ratio : 48dB Horizontal Resolution : 380 TV Lines Video Output : 1Vp-p 75ohm Min Illumination : 2LUX Backlight Opensation : AUTO plug and play. Picture Element : PAL: 628X582 NTSC: 510X492 Operating Temp: -10/ + 50 Audio Video Output This model is battery operated or with power supply. Power supply: DC 8V The camera is very easy to operated and no installation is required. The camera and transmitter are hard to be found by human eyes. This covert system can be applied to almost any situation.