Omron M18 x 1.5 Inductive Proximity Sensor - Barrel, NPN Output, 12 mm Detection, IP67, IO-Link, Terminal Type: M12 - 4 Pin, Supply Voltage: 10 → 30 V, Length: 30mm, Mounting Type: Flush Mount, MPN: E2EW-QX12C118-M1TJ 0.3M