The Pepperl Fuchs CCB10-30GS55-N1-V1 Proximity Sensor offers a 10 mm operating distance, 2-wire, Normally open (NO), output, Connector plug M12 x 1 , 4-pin, output, and flush installation. Manufactured by Pepperl Fuchs under the P&F Proximity Sensor category, this model belongs to the Capacitive sensor.