The Keychain BugTracer and CamDetector quickly and easily detect hidden cameras and audio/video transmitter at the touch of a button. Privacy assurance you can take with you anywhere and everywhere! Public restrooms, gyms, locker rooms, home, tanning salons, office, or anywhere hidden cameras or audio/video transmitters may be lurking to invade your privacy. In less than 30 seconds, and the touch of 2 buttons, your privacy and peace of mind are assured. The Keychain Privacy Collection utilizes two ultra compact "keychain" type detectors that can be attached to your keychain or carried in a pocket or purse. Long life batteries included in each unit.