Toughsty&trade; Anti-spy Signal Bug Wireless RF GSM Bug Voice Bug Detector Covert Hidden Camera Detector Spy Camera Detection; GSM Bug Detection Video Transmission Frequencies can be detected; Rechargeable Lithium Polymer Battery Built-in All Frequencies including GSM, Wifi, Bluetooth, FM, VHF, UHF, 900/1200/2400 Wireless 6 Hours Operating Battery Life Time Wireless Spy Device Detection