Introducing the World's Smallest "Truly Wireless" COLOR Spy Camera. Measuring about the size of a dime, concealing this camera is not a problem. The transmitter uses the 2,400MHz "switch + phase" circuitry to GUARANTEE no interference from cordless phones. Digital circuitry ensures no lost video from external wireless devices. Range is a minimum of 300 feet through walls. In an open area the transmission range jumps up to 600 feet. The color sensor is a new generation OmniVision that is very impressive. The best performing color wireless cmos camera on the market, PERIOD. Includes the The Wireless Receiver Camera Specifications: Color 380 Line OmniVision Sensor @ 2 Lux 600 Foot (line of sight) Range 300 Foot (through walls) Range Operates on a Single 9 Volt Battery Matching 2.4GHz Wireless Receiver Included Size = 2/3" Cube Field Of View 80 Degrees Pinhole Style Lens NTSC (U.S.A.) Video System How Do I Use This Device? Operation is SIMPLE. Anyone can use this amazing wireless camera. Simply snap a 9 volt battery onto the camera/transmitter unit Attach The Wireless Receiver To Your VCR or Television THAT IS ALL THERE IS TO IT! Covert video surveillance has never been easier. With the ability to use a single 9 volt battery, concealment is no problem. Hide in a plant, a book, a video case, air vent, automobile, the only requirement is to make sure the small pinhole lens is facing the video surveillance target. When properly placed, the wide camera angle will give you a complete view of a normal size room. Optional Accessories: Easycap USB Video Capture, for recording on your computer List price $45 Only $15 when bought as an option for this system. (Windows XP or earlier only. Not Vista)