SH-055UR - RF Signal Detector (Palm size), PRO model

This device can detect the popular wireless CCTV camera, wireless phone, wireless bug and cell phone for 50MHz~6.0GHz. Its has 10 LEDs, when it detects a peeping camera or cell phone, the LEDs will light from Green to Yellow to Red, and the beeping sound will change from Slow to Rapid indicating the strength of detected signal.