Detects wireless signals (used by spy devices) around you - Responds to signals between 1MHz and 6.5GHz (manufacturer claimed) - Built-in battery provides 5 hours of continuous usage per charge (manufacturer rated) - 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 - Provide visual feedback as well as audio feedback via earphones - Earphones included - 123mm RF signal detector antenna - 110V~220V AC charger included . * Warranty information is located in the specifications section