Mini hand held metal detectors

MD-300FeatureDetect ferrous and non-ferrous metalLight weight and portable designGood sensitivityEasy to handle and useBenefitsMD-300 metal detector is a mini-type hand held metal detector, mainly for security check in important places like customs, airport and court. It will gibe an alarm sound and vibration with low voltage power alarm.OperationSwitch ON: a sound of lightSwitch ON: mode of vibrationIndicatorsFlashing yellow LED: - low battery indicatorFlashing red LED: