Features 1、Efficient and Secure: Our detectors can efficiently and accurately detect listening devices, wireless Internet devices, GPS locators, concealed cameras, etc. 2、Super Sensitive: Our detector has a built in detection chip with seven gears of adjustment sensitivity, which can detect more than 90% of devices. 3、Signal Detection: The device is capable of detecting Internet signals (2G‑4G), radio waves and so on, and any device that emits signals in the 1MHz to 6.5GHz receive frequency range. 4、30 Hours of Use: The device is purposely designed to be portable for use while traveling, at home or in the office. The device can be operated for up to 30 hours on a single charge. 5、Easy to Operate: Our detector is simple to use without repeated attempts at actual operation, and you will know exactly how to operate the device properly in minutes. Specification Item Type: Concealed Camera Detector Material: Plastic, electronic components Antenna Range: -56DB Receiving Frequency Range: 1Mhz-6.5Ghz Signal Detection Range: Approx. 5cm-1000cm/2-394in Sensitivity: 7 gears can be adjusted Infrared Wavelength: 620-625nm Charging Line: Type C Standby Current: 10mA Working Time: 30 hours Battery Type: Built in 250mAh lithium battery (battery included) Package List 1 x Concealed Camera Detector 1 x Lanyard 1 x Charging Cable 1 x Instruction Manual