This easy-to-use bug detector picks up transmissions, RF magnetic fields and wireless signals to let you know if any wireless devices are present. Identify surveillance and hidden wireless cameras, secret listening devices, GPS car trackers and undercover mobile phone software. The scanner alerts you with an indicator light, vibration or beep when a suspicious signal is detected. Reads from 1 MHz to 8MHz frequency ranges, SIM card signals, and 2G, 3G, and 4G cellular devices. Meets or exceeds military and law enforcement requirements. Runs 5 hours on a 2-hour charge and includes built-in battery and USB charger. Plastic and metal. 3 1/4"L x 2 1/4"W x 6 1/2"H.