Carlo Gavazzi ICB12L50F04PC Manufacturer description: Inductive proximity sensor, M12 Nickel-Plated Brass, 2m cable, Sn 4mm, Flush mount, Long body, PNP NC output, Supply voltage 10-36Vdc, Max output current 200 mA, Max switching frequency 2 kHz, Operating temperature -25C - +70C, IP67. Inductive transmitter M12 PNP NC 2m cable, shielded version length 50mm. Sensing distance 4mm.