HALJIA 3PCS Optical Endstop Mechanical Switch Compatible with 3D Printer RAMPS 1.4

Feature: This Optical Endstop is Ideal for 3D Printers like RepRap, Prusa, Mendel or CNC-Mills,other CNC and 3D tools.Supporting the use of RAMPS 1.4 plate50cm jumper cableConnection: VCC, GND, SIGSupply Voltage: 5VBoard Size:33*20*10(L*W*H)Pinout: V.....+5V S.....Output (Logic high = beam broken) G.....GND Packing List:1 x Optical Endstop 1 x 50 cm 3 wire Cable