... Working Voltage:6~36VDC ,90-250VAC INDUCTIVE PROXIMITY SWITCH(inductive switches, proximity principle, proximity probe, proximity switch,inductive proximity switches)Outward appearance codeLM18FlushDetection distance5mm NPNNO3005NADCNC3005NB6NO+NC3005NC PNPNO3005PA36NC3005PBVNO ... gradeIEC standard IP67Altemative model at home and abroadLJ18A3-18- Proximity Switch with 5mm Detection DistanceSL30