... pinhole camera and bug super sleuth lens camera detector wireless signal finder pinhole camera detector finder ... include GSM , WIFI, Bluetooth, FM, VHF, UHF, 900/1200/2400 wireless audio ... and video transmission frequency. 3.Built in super bright red LED, can find out all hidden camera, pin hole, button, mobile camera ... detector and up to 15Hours for RF detector. 9.Easy to operate and small ...