Features: -The detection frequency range is wide and can detect RF signals such as GSM, 3G, 4G, 5G, Bluetooth and Wi-Fi 2.4G. And there are 4 adjustable frequency levels. -Built-in advanced smart chip, each function is more technical and easier to use. -It is light weight and small size, very convenient to carry and suitable for different places. Built-in rechargeable battery can last for 6 hours. -It ensures privacy and security protection by accurately detecting spy cameras, eavesdropping devices, wireless pinhole cameras, hidden infrared cameras, GPS trackers, etc. -Suitable for various places such as hotels, meeting rooms, vehicles, dressing rooms, etc. Specifications: Material: plastic+metal Color: black Battery capacity: 300mAh Charging interface: USB charging Sensitivity: 4 levels adjustable Receiving frequency range: 1MHz-6.5GHz Signal detection range: 5cm to 10m Optical lens: 5cm to 10m Package Included: 1x Detector 1x USB charging cable 1x Instruction manual