This product uses active laser scanning and passive radio frequency sweep combination method.

 It can accurately detect;eavesdropping devices,tracking devices,car eavesdropping,wireless pinhole cameras,wired cameras,electrical applicances,etc.The effective radiation to prevent eavesdropping,videotaping,fraud,protection of personal privacy data and information confidential.
It is equipped With auto-detecting function,once it detect bugs,it will vibrate,beep and LED light flicker. 
100MHZ-3000MHZ detection 
Power by 2 x  AAA battery (Not Included)

Main Features

(1) With auto-detection function, the host to carry, when there are in transformation eavesdropping
(2) With signal strength indicator lights that can quickly find the signal at source.
(3) Adjust potentiometer adjustable sensitivity. (Greater sensitivity to widen the scope of or reduce the sensitivity to detect reduced Detection range) quickly identify the waves at source.
(4) Laser detection: Windows host can be seen through the eyes of all within sight of the camera facing the camera. Wireless Sweep: frequency detection range

Specifications

Laser detection camera distance of 10cm-10m (the naked eye can identify can flashing).
Radio detection of camera range 5cm-10m (according to the camera decided to transmit power distance)
Power in the 50mw-200mw detection range 30-50cm
Power in the 300mw-600mw detection range 100-200cm
Power in the 800mw-1200mw detection range 300-800cm
Color: Black

package content:

1 X XB-68 Multi-functional Detector 
1 X manual