The Hidden Camera Detector gives you 24 hours of privacy protection. Its unique pen-shaped design saves power and prevents mobile phone interferences, while easily attaching to your keys, car, bag, purse, or briefcase. The Hidden Camera Detector automatically detects all wireless signals.
Specifications:
Whenever an unknown wireless signal is detected, the lights at the tip of the pen will flash according to the signal strength. You can also simply press a button on the pen to check for counterfeit currency.
Its blue light allows you to detect the watermarks on most bills. With a detection radius of 10 Meters (if the signal is strong) and the ability to precisely detect wireless signals of 900/1200/1300 and 2400 /2600/3000MHz, the Hidden Camera Detector is a convenient, proven way to ensure your privacy anytime, anywhere.
Battery: 4.5V, using LR-44 x 3 pieces (3 sets included)