【HIGH SENSITIVITY FAST DETECTING】 metal detector wand is made of high quality components, it can quickly detect small hidden metals such as knives, weapons and other metal objects. Ideal for the needs of security check 【SOUND AND VIBRATION TWO ALARM MODES】The security scanner has a mode switch on the side of product. It can be freely switched between two modes according to the use environments, vibration function should be used in noisy situation or in places where the operator does not wish for the sound to be heard in his surrounding area 【ADJUSTABLE SENSITIVITY】Press the low sensitivity switch during detection, the detector will only respond to larger metal objects such as knives, pistols etc, and will not respond to small metals such as ring, key, coin, pin etc. If the detection distance does not meet the requirements, can adjust the sensitivity 【POWER OPERATED】Powered by one 9V battery standard (Included battery) or rechargeable battery (Not included). With one external charging port, the battery charger is not included. Please avoid charging it when you have no rechargeable battery, otherwise it can't work normally. And please turn off the detector when charging it 【COMFORTABLE HANDLE AND WIDELY USE】Portable metal detector safety bar, lightweight design and comfortable handle grip make it easy for long time using. It comes with a holster clip, make it easy to carry and convenient. Widely use for security check, indoor and outdoor events, such as airport, schools, train station, subway, docks, sports events, exhibition center, anywhere you need metal detection. 16.15 inches long, 3.27 inches wide, weighing 0.90 pounds