Hidden Camera Detection: Accurately find different types of camera device More Function: With full-band detection, laser scanning detection, strong magnetic field detection function Easy to Use: More accurate detection, 2 buttons operation, easy to use Portable: With built-in rechargeable battery, compact and stylish appearance, easy to carry Applicable people: Business travelers who use hotels as their home Beautiful women who are easily photographed People who often go to public entertainment venues to consume People who often go to various shopping malls to try on clothes People who respect their own privacy and the privacy of others People who contact and keep commercial secrets Security personnel in places with commercial secrets and technical secrets Professionals who are against happy shooting and eavesdropping Specifications: Charging interface: Type-C interface DC 5V/1A Battery: Built-in polymer battery 3.7V 250mAh Standby time: 720H Signal detection mode usage time: 20h