HE Technology is the most the renowned supplier of the Hand Held Metal Detector as we provide ZKTeco Hand Held Metal Detector; the world’s leading brand of Hand Held Metal Detector. ZK-D100S is a high performance portable metal detector, specially designed to body search for weapons in crowd control, airport and border security. Introduction Security detecting: Prevent taking contraband, such as: knife, gun and so on. Factory: Prevent the loss of valued objects. Education area: Prevent taking cheat-tool, such as: telephone, electronic dictionary, and so on. Features Portable metal detector, convenient to take. It can be recharged. It needs 4-6 hours for charging. (standard 9V battery ,the charger and rechargeable battery are ordered additional) The alarm terms is sound and light alarm simultaneously, or vibration and light alarm simultaneously. You can choose the operate terms optionally. When the low sensitivity on-off is pressed, the metal detector will only alarm when it finds ...