Features:Simple and smart design, easy and portable to operate.Multi function detectable pin hole camera and other wireless products.Built in super bright red LED, can find out all camera, pin hole, button and mobile camera, etc.Dual mode RF detectable: buzzer mode and vibrate mode; can also used earphone to detect RF signal.4 signal strength LED status indicator from low to high.Adjustable sensitivity with the potentiometer.Equipped with retractable antenna, also with clock display.Built in 450mAh rechargeable li-polymer, convenient for use.Perfect for sweeping cameras and bugs in conference room, changing room, hotel rooms, etc.