Four leads, easy to use, 5-10V drive voltage applied, the force is directly output as a voltage change signal. Dimensions: 12.7mm * 12.7mm * 80mm Sensor through the screw hole at one end fixed and the other end to keep floating state, applying gravity following the direction indicated by label Particular attention must not directly push the white plastic cover part, so as not to damage the sensor Connection: Red to E+ Black to E- Green to A+ White to A-