... , or Fe, it will alarm by sound and light, the engine will stop and return to the start ... the sensitivity between 0-10 level, operation board is light touching-type, easy to operateCan calculate the qualified ... build machineDetection Height120mm & custom-build machineAlarm MethodAlarm by sound & light, machine stops, conveyer returns, then restarts againPower SupplyAc220V 50-60HzPower60WMachine ...