MD-200 Handheld Metal Detector with Adjustable Sensitivity and Vibration Alert
It can be used for public security in airports railway stations docks prisons customs and frontier defense as well as quality control of medicine food and other commodities. - With very low power consumption this detector can work for over 40 hours continuously - Beep sound LED indicator or vibration when metal detected - Control: circulation switch (ON OFF a sound of light or mode of vibration) - Operating Frequency: 20KHz - Adjustable sensitivity - Operating power: 9V DC Battery (not included) - Low battery alarm