GSM Dummy Battery Listening Device

A normal looking mobile phone type battery, that can be left lying around anywhere without attracting attention. On your desk, on a shelf at home or even in the bedroom no one would give it a second look. Inside the dummy battery is a concealed a GSM listening device with a high sensitivity microphone allowing you to dial in from anywhere in the world and listen in to the surrounding area with crystal clear clarity. Network: GSM 850/900/1800/1900 (works worldwide) Power consumption: In standby mode (not listening) 3 days and about 3 hours listening time. Dimension: 55 x 40 x 7 mm