Feature:

• This Proximity sensor is very useful and inexpensive solution for automated heatbed level adjustment.
• It detects metal objects (aluminum print surface)within 4mm distance.
• Condition: 100% Brand New.
• Dimention: M12 x 50mm.
• Detection Distance: 4mm.
• Cable Length: 110cm.
• Voltage: DC 6-36V.
• Type: NPN.
• Wiring colors: Power (Positive): Brown.
• Common / Ground: Blue Signal: Black.

Package Included: 

• 1 Pc LJ12A3-4-Z / BX Inductive Proximity Sensor Detection Switch.