This wireless camera detector will expose both wired and wireless cameras, dead or alive. The ultra advanced hand held unit will also let you know about RF bugs and wiretaps in one of three ways: with an alarm, silent LED or silent vibration. Locates bugs on frequencies from 1 MHz to 6500 MHz. Alerts to VHF, UHF, WIFI, Bluetooth and GSM devices. This particular unit even features a built in Li-Ion battery, eliminating the need for batteries.