Installation Flush, Sensing side diameter diameter 12mm, Sensing distance 2mm, Hysteresis(distance) Max. 10% of sensing distance, Standard sensing target 12×12×1mm(iron), Response frequency 1.5kHz, Indicator Operation indicator (red LED), Power voltage 12 - 24 VDCspecialstring(ripple P-P: ≤ 10 %), operating voltage: 10 - 30 VDCspecialstring, Current specification Current consumption: Max. 10mA, Control output ≤ 200 mA, Residual voltage Max. 1.5V