This is the world’s smallest color wireless camera which is available to the consumer market. It measures 1 inch x 1/2 inch and works up to 10 hours on a single 9 Volt battery. The camera wirelessly transmits full color video up to 1,000 foot range in the line-of-sight directly to TV Channel 59. The price is $259.99 each and available at Amazon. Via Ohgizmo.