OMCH LJ18A3-8-Z/BX DC NPN 3-Wire Normally Open Sensors Inductive M18 Proximity Switch1. Output form: DC NPN three wire normally open 2. Detection distance: about 8mm 3. Detecting object: metal object 4. Current: 300mA 5. Power supply voltage: DC12 24V (6 36V) 6. Weight: about 86. 2 g 7. Wire length: about 1. 1m Features: 1. Proximity switch detects metal objects, the detection distance is about 8mm (when the proximity switch detects metal objects, the red light at the end will light up) 2. Built in smart sensor chip on the top of the