... are made of imported chip. Proximity Switch,close switch,electrical switch Dimension M24LJ24Mounting wayScreen shield typeTYPEDCtypeNPN NOLJ24A3-8-Z ... P.D type:reversal connection protection, surgeAbsorption, load short-circuit protectionA type: surge absorptionAmbient temperaturehumidityDuring operation,storage:individually-30 ... ), Detection surface:ABS) Proximity Switch,close switch,electrical switch