- 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.<br />- Working temperature: -10~50 degree Celsius<br />- Sensitivity: A25-cent coin 65mm<br />- Iron pipe-tube in diameter 20mm 120mm<br />- Operating frequency: 25KHz<br />- Operating current:                                                                                                                                 Dimensions: 15.43 in x 5.24 in x 1.46 in (39.2 cm x 13.3 cm x 3.7 cm)<br />Weight: 5.89 oz (167 g)<br /><br />