Detects wireless signals (used by spy devices) around you - Built-in rechargeable 450mAh battery - Detecting wave distance: 920nm - Receiving Range: 1MHz - 6500 MHz - Special LEDs + red camera lens detector window allows you to sweep areas for regular security cameras and hidden pinhole cameras (camera lens produces a red reflective spot through the red detector window) - Great for spotting cell phone / GPS spy devices signal blockers and other wireless surveillance devices - Light tone vibration multi-function warning - Built-in Compass - RF signal detector antenna length: 123mm - 2.5mm jack earphones included - 100V~240V AC charger (US plug) included