Feature: 1. A multi functional device that supports frequency signal detection, magnetic field detection, camera lens finder and artificial intelligence automatic scanning. 2. Detect active wireless devices that are transmitting RF signals, WiFi signals or signals, such as WiFi cameras, web cameras, etc., as well as active illegal wireless eavesdroppers and microphones. 3. The new infrared scanning technology +10 level signal strength indicator clearly displays the received signal strength, making it easier and more accurate to find wireless cameras. 4. The LED screen clearly displays the received signal strength, battery level and alarm mode. Seeing the signal strength displayed on the indicator can also help you know the general direction of the launcher. 5. The sensitivity is adjustable. When set to high sensitivity, the detector will detect relatively far away signals, and when set to low sensitivity, the detector will detect relatively close signals. Specification: Item Type: Signal Detector Model: K-88 Material: ABS Color: Black Function: Signal Detection Frequency Range: 1MHz - 8000MHz Dynamic Range Of Detection: >73dB Detection Sensitivity: ≤ 0.03mw (Main Frequency Band) Detected Range 2.4GHz Wireless Camera: 10㎡(Standard 10mW Camera) 1.2GHz Wireless Camera: 15㎡( Standard 10mW Camera ) 2G, 3G, 4G Signal: 15㎡ Indication: 10 Level Digital Tube, Buzzer, Vibrator Indication Battery Type: Built-in 1200mAh Lithium Battery Working Time: About 8-10 Hours Charging Time: About 3 Hours Scope of Application: Rf Signal Detection, Magnetic Field Detection, Camera Lens Finder and Artificial Intelligence Automatic Scanning Package List: 1 x Detector 1 x Antenna 1 x Probe Tube 1 x Interface Protective Cover 1 x Date Cable 1 x Manual How to use: Turn the knob clockwise to turn on, and adjust the sensitivity to gear 3‑4. The machine enters the detection mode. The closer you are to the signal source, the higher the indication strength, and the buzzer alarm reminds you.