... , silent, FengMing, earphone detecting DiDi Voice 6000MHz Wireless Small Hidden Spy Camera Detector GSM Bug Features:* Vibration detecting, silent detecting, FengMing detecting ... in any special location.* The signal of the RF Bug Detector is so different from pinhole cameras, so you can differentiate ... x 130 x 42 mm (wrapping box) DiDi Voice 6000MHz Wireless Small Hidden Spy Camera Detector GSM Bug