http://www.gadgettown.com/Spy-Pinhole-Camera-RF-Bug-Detector-Wireless-Anti.html
This Wireless Anti-spy Pinhole Camera RF Bug Detector designed on the theory of wide range multiple band RF power detecting. Detects out all wireless pinhole cameras and mini wireless bugs within 10 m. Effectively prevents you from being shot by candid cameras or heard by hidden bugs. Ensures your absolute privacy.