... 1.Japanese technique, anti-disturbance computer chip integrated circuit2 Automatic Conveyor Needle DetectorApplicable:Clothing, baby products, knit goods, underwear, hardware buttons ... machineDetection Height120mm & custom-build machineAlarm MethodAlarm by sound & light, machine stops, conveyer returns, then restarts againPower SupplyAc220V 50-60HzPower60WMachine SizeAbout 1650L ...