Welcome to our store! 1. Professional Design: The wireless signal detector can locate Wi-Fi cameras and vibrate as an alarm. The detection range is 0 to 5 m / 0 to 16.4 ft. 2. Long Battery Life: The wireless signal detector has a long working time, operating continuously for up to 25 hours to ensure all wireless signals are captured in real time. 3. Easy to Use: LED detection. Turn off the lights, look through the filter window, and open the LED probe to observe the suspicious location. For cameras, open the filter light, and a bright red dot will flash. 4. Infrared Laser Detection: The bug detector has an infrared laser detection function. At a distance of 0.2 to 5 m / 0.7 to 16.4 ft, an alarm will sound, accurately indicating the camera's location. 5. Applicable: The detector is suitable for people who frequently use bank cards, people who travel to hotels as their home, attractive women who are easily filmed secretly, etc. Item Type: RF Signal Detector Material: Plastic, Electronics Infrared Light: Wavelength 620-625 nm Receiving Wavelength: 935-950 nm Vibration Alarm: Unlimited, any direction Detection Range: Approx. 0-5 m/0-16.4 ft Charging Interface: Type C Charging Power: DC 5V 1A Operating Time: 25 hours Battery Type: Built-in 100mAh Lithium Battery (included) Applicable People: Suitable for people who frequently use bank cards, business travelers staying in hotels, women who are easily recorded, people who frequent public entertainment venues or shopping malls, etc. 1 x Device 1 x Charging Cable 1 x Portable Lanyard 1 x User Manual Customers are our priority. If you find any problems with your product after receiving it, such as damage or an incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.