Feature: 1. Support the detection of radio waves, magnetic fields, electronic monitoring equipment, and auxiliary lighting flashlight functions. 2. Professional radio wave detection device with high sensitivity, adjustable threshold, and large detection frequency range. 3. It can detect bugs and locators equipped with 2G 3G 4G SIM cards, as well as locators that upload GPS locator data packets at high speed. 4. It can detect 1.2G / 5.8GHz wireless cameras and wireless eavesdropping devices. 5. LED lasers technology can detect wireless or wired camera equipment in standby mode, as well as magnetic locators and eavesdroppers. 6. Efficient infrared sensors detect suspicious infrared light sources in the environment in real time to realize blind search and detection. Specification: Item Type: Signal Detector Model: K-19 Material: ABS Color: Black Function: Signal Detection Frequency Range: 100MHz - 8GHz Dynamic Range Of Detection: >73dB Detection Sensitivity: ≤ 0.03m / 1.18in Detected Range 2.4GHz: 10㎡( Standard 10mW ) 1.2GHz: 15㎡( Standard 10mW ) Mobile Phone Frequency Band 2G, 3G, 4G Signal: 3-15㎡ Functional Audio- Visual Quantification: 10- Level Lcd Strength Display, Various Functions Are Visible On The CD Panel, Simple And Easy To Operate Highly Sensitive Magnetic Sensing Probe Detection Distance: Within Approx. 10m / 32.8ft Infrared Lasers Scanning Detection Distance: Approx. 0.1-5m / 0.3-16.4ft Infrared Automatic Or Active Detection Light Domain, Distance: Approx. 760nm-980nm ( Near Infrared Light ), Approx. 0.1-3m / 0.3-9.8ft Auxiliary Lighting Function: Torch Flashlight Function, Night Light Function In Gs Mode Alarm Mode: Sound, Vibration, Strength Visible Battery Type: Built-In 1000mAh Polymer Lithium Battery ( Fully Charged In 5 Hours ) Working Time: About 5 Hours For People: 1. People Who Often Use Bank Cards 2. People On Business Trips Who Use Hotels As Their Home 3. Beautiful Women Who Are Easy To Be Photographed 4. People Who Often Go To Public Entertainment Venues To Consume 5. People Who Often Go To Various Shopping Malls To Try On 6. People Who Respect Their Own Security And Others' Security 7. Those Who Contact And Keep Business Secrets 8. Security Personnel Of Business Secrets And Technical Secrets 9. Anti Sneak Shooting And Anti Eavesdropping Professionals Scope Of Application: 1. Whether Wireless Bug Or Location Tracking Is Installed In The Car Or Office. 2. Whether Your Mobile Phone Is Tapped Or Abnormal ( Transmitting For No Reason When The Mobile Phone Is In Standby Mode). 3. Whether There Is Base Station Radiation Around Your Working Environment And Residential Buildings. 4. Send And Receive Text Messages, Surf The Internet On The Mobile Phone, Switch The Mobile Phone On And Off And Talk On The Mobile Phone. 5. Detect Wireless Network Signals, Mobile Phone Base Stations And Wireless Monitoring Systems. 6. Whether The Leakage Of The Microwave Oven And Other Household Appliances Caused Damage To The Human Body. 7. Whether There Are Suspicious Wireless Signals In The Environment. 8. Used In Hotels, Bathrooms, Entertainment Venues, Changing Rooms Or Government Agencies, Etc. 9. Used For Business Negotiations, School Management, Factories, Military Facilities. 10. The Mahjong Table Coincides With The Role Of Radio Waves. 11. Used For Mortgage Cars, Second-Hand Cars, Pawn Shops, Guarantee Companies, Small Power Generation Companies, Information Finance Companies, Etc.. Package List: 1 x Detector1 x Antenna1 x Probe Tube1 x Date Cable 1 x Manual Note: 1. The infrared light source that exists in natural light (sunlight spectrum) can also be detected by IR function, please distinguish! If there is an alarm action from time to time in the room where it is determined that there is no suspicious object, there are several possibilities: 1. The communication equipment on the body will automatically check the code with the base station at regular intervals. 2. The suspicious object is next door, or someone next door is calling. 3. Too close to the wireless router or other signal sources.