1、With smarter and higher detection accuracy, support active detection and passive detection functions. 2、The effective detection range is 40㎡, and the detectable frequency is 10M-8.5Ghz. 3、Super signal detection ability, you can easily find the tracking locator hidden in the car according to the signal prompt. 4、Wide-band detector with 3 adjustable sensitivity levels and infrared LED scanning to hide the camera. 5、By vibrating to indicate risk, it can effectively prevent eavesdropping, candid photos and personal privacy leaks. Condition: 100% Brand New Item Type: Anti-Sneak Detector Color: As Pictures Shown Model: SQ909 Alarm Mode: Vibration Detection Frequency: 10MHz-80GHZ (MHz) Detection Range: About 40㎡ Working Voltage: 2.5 (V) Scope of Application: Hotel / Office Type: Wireless Signal Detector Battery Capacity: 500 mAh (Built-in) Full Power Standby Time: About 45 days 1 x Detector 1 x Manual 1 x USB Cable