【FEATURES】1.ABS-plastic shell2.Designed for universal AC power supply(full range).3.Stepless sensitivity adjustment,Website:http://www.rehoogroup.net, Anti-static cover【PURPOSE】Designed for small cloth, leather, socks, food, pharmaceutical etc use.【SPECIFICATIONS】Model:NDT-ADetection method: Magnetic induction Detection sensitivity:Max 110mm height by steel needle(¢0.6*L33)Detection adjustment:Stepless Detection Width:160*500mmAlarm method:Buzzer、LampPower source:AC85-265V 45-65HZ Rated output:Appr10W Dimension:400mm(L)*680mm(W)*70mm(H)Weight:Appr 11Kg▲ The specification is under standard test condition. The sensitivity depends on the working condition. We have no responsibility that metal chips come out after detecting under non-standard condition.