Retractable Handheld Metal Detector (1*6F22 included)
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 14~16 hours continuously - Control: circulation switch (ON OFF a sound of light) - Operating power: 1*6F22 Battery included) - Low battery alarm