Supply Voltage: AC 90-250V; Current Output: 200mA Proximity Sensor LJ12A3-4-Z/EX Inductive - 4mm Detection, 2-Wire Compatible Mounting Type: Through Hole, MPN: LJ12A3-2-J/DZ, Body Style: Barrel... When proximity switch is close to some target object, it will send out control signal. Sourcingmap a11031400ux0307 LJ12A3-4-J/EZ AC90-250V NO 2-Wire LJ12A3-4-J/DZ 2 Wire AC Proximity Sensor 12mm 4mm NC 90-250V Inductive Proximity Switch LJ12A3-4-J/DZ M12 Sensor AC Two LJ12A3-4-J/DZ Inductive Proximity Sensor Diameter of Column Sensor: 12mm; Detecting Distance: 4mm Sponsored Inductive Proximity Switch Sensor 4mm 2-Wire NC AC90-250V 12mm LJ12A3-4-J/DZ $5.85 $4.90 shipping 2Pcs LJ12A3-4-Z/AX Proximity Switch Inductive Proximity Sensor Detection $20.78 Free shipping Wire Type: DC 2 Wire Type (Brown, Blue) Product Name: Inductive Proximity Switch LJ12A3-4-J/DZ