The new Micro Arm band Bug Detector 3000 is a tiny but powerful RF vibrating detector small enough to be worn on your body without being noticed. This tiny micro unit measures an amazing 2 1/8 inches long X 1 3/4 inches wide by 1/2 inch deep. But don't be fooled by it's small size! It's a full-featured dual bug detector that silently vibrates to alert you to the presence of eavesdropping. It can be used as a covert body worn detector with the included arm band or as a conventional bug detector to sweep a room or office. The range is amazing and features full spectrum coverage from 1 MHz to 3 GHz with no holes or gaps! This amazing micro wonder has an on/off switch and sensitivity adjustment. The unit runs on one 1.5 volt battery which will last up to 500 hours on standby. For maximum eavesdropping and privacy prevention, don't leave home without one!