About this item ?【Upgrade Model K18S】Our detector has been newly upgraded, with stronger detection signal, higher response sensitivity, anti-drop and anti-shock, working more intelligently and accurately; Highly intelligent chip, eavesdropping, anti-tracking and positioning, light alarms, camera lookups, laser scanning, multi-purpose machine, crushing all illegal devices! ?[Upgrade Chip 】GPS tracker detector work smarter, more accurate, anti-interference ability, can effectively detect the area within 15 square meters. The camera finder adopts digital reception mode, which broadens the detection frequency domain, effectively avoids the messy signal interference and greatly improves the effective sensitivity. ?[Intelligent Detection] The detector can detect 1.2G/2.4G/5.8G wireless cameras, invisible mini cameras, wireless audio bugs, human body bugs, wiretaps, telephone bugs, GSM/CDMA/DECT cellular audio-video bugging devices, unwanted GPS trackers, and many more other bugging devices and bug transmitters. Receives RF signals from 1MHz-8GHz. ?[Humanized Design] The detector is not only powerful and diverse, but also has a very streamlined design, with 2 buttons for function switching, a visual LED signal strength window to help you accurately capture the signal source, and detection alerts divided into audible alerts and vibration alerts, so you can use it with peace of mind in any environment. ?[Durable and Lightweight】Light weight and small size, suitable for various places such as hotels, conference rooms, bathrooms, locker rooms, houses, offices, examination places and so on. Built-in rechargeable battery, can be used for about 20 hours after charging (the length of time depends on the usage mode), no need to replace the battery. More convenient to use and carry