1、66 TRANSMITTER HEADS: Listening device finder adopts 66 transmitter heads, ultrasonic interference with the sound source (completely harmless to the human body), high power effect is better, wider coverage. 2、WIDER RANGE OF ANTI RECORDING: Listening device scanner has a wider anti recording range of up to 8m / 26.2ft. Anti mobile phone recording, anti recording device, anti video screen recording, anti surveillance recording. 3、LOW FREQUENCY INTERFERENCE: Safe processing of voice message interference, high and low frequency sound source mixing processing, the entire bass micro voice, in the other party does not realize the interference, interference after the voice message can not be recovered. 4、9800MAH HIGH CAPACITY BATTERY: Bug detector built in 9800mAh high capacity battery, according to the use of the maximum can work for a long time 8 hours. Equipped with a security adapter, can also be connected to the power supply applicable. 5、SIMPLE OPERATION: Listening device detector is easy to use right out of the box. Whether you are an expert or a novice, you can easily master it. Item Type: Listening Device Detector Material: Metal, Electronic Anti Recording Direction: 360 Degrees (Maximum) Power: 20W Battery Type: Built In 9800mAh Polymer Lithium Battery (Included) 1 x Listening Device Detector 1 x Power Cord 1 x Instruction Manual