Model: ZK-D160 Security Inspection: 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, earphone, electronic dictionary, and so on. Features Digital design, strong anti-interference ability. Adjustable sensitivity with high, medium and low. Simple operation, easy to use and convenient. High sensitivity to all metals. Two alarm modes of vibration and sound. Uses AA battery type which is easily available, and can work continuously for more than 70 hours. Charging, low battery prompt. Ni-MH Battery and DC charger (Optional)
