- It can be used for public security in airports、 railway stations、 docks、 prisons、<br />customs and frontier defense as well as quality control of medicine、 food and other<br />commodities<br />- With very low power consumption、 this detector can work for over 14~16 hours<br />continuously<br />- Control: circulation switch (ON、 OFF、 a sound of light)<br />- Operating power: 1*6F22 Battery included)<br />- Low battery alarm<br />                                                                                                                                Dimensions: 15.43 in x 5.24 in x 1.3 in<br />Weight: 11.96 oz