New and high quality. Convenience in installation. Environmental economy, high temperature resistant, corrosion resistant * low-voltage prompts, built-in rechargeable battery Laser Detection: Windows host can be seen through the eyes of all within sight of the camera facing the camera * With a auto-detection function, the host to carry, when the live environment of eavesdropping devices, pinhole cameras, Casino gambling fraud, etc..., the host will be in your auto-body vibration prompts risk. * With a signal strength indicator lights that can quickly find the signal at source. * 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.