1) Can effectively detect wireless pinhole camera, monitor, track, and cell phone signals GPS blocking devices and other wireless devices 2) Detection frequency range of 1MHz-6.5GHz 3) Sound, vibration alarm function 4) Wireless signal strength of the instructions, quick positioning signal source 5) Detection sensitivity adjustable 6) Low battery instructions 7) The use of two AAA batteries. 8) The size of a small, convenient to carry 9) Size: 8.3 x 5.5 x 2cm 10) Weight: 44g

http://olla.gr/rf-signal-detector-effectively-detect-wireless-pinhole-camera-monitor-track-and-cell-phone-signals-gps-blocking-devices-and-other-wireless-devices/