Feature: 1. Detect mobile phone short message sending and receiving signals, mobile Internet signals, mobile phone switches and call signals. 2. Detect whether household appliances such as microwave ovens leaks electromagnetic radiation harmful to the human body. 3. Detect 5.8CHz signals of wireless camera sneak shots, wireless eavesdroppers and wireless monitor. 4. Check wireless cameras in hotels, restrooms, entertainment venues, and locker rooms. Detect whether there are suspicious radio signals. 5. Suitable for business negotiations, school invigilation sites, factories, military facilities or government agencies to prevent sneak shot and eavesdropping. Specification: Item Type: Camera Detector Material: ABS Laser Detection Camera Distance: Approx. 10cm-10m/3.9in - 32.8ft(red light flashing can be recognized by eyes) Radio Wave Detection Camera Distance: Approx. 5cm-10m/2in - 32.8ft (the distance is determined by the camera transmitting power) Power at 50mv-200mv, Detection Distance: Approx. 30-50cm/11.8-19.7in Power at 300mv-600mv, Detection Distance: Approx. 100-200cm/39.4-78.7in Power at 800mv-1200mv, Detection Distance: Approx. 300-800cm/118-315in Power Supply Mode: Lithium polymer battery 450mAH (built-in) Current Consumption: 8mA Detection Laser Wavelength: 920mm Receiving Frequency Range: 1MHz-6500MHz Optical Lens: Special filter . Package List: 1 x Camera Detector1 x Earphone1 x USB Cable1 x Manual