OMRON PROXIMITY SENSOR NEAR ME

Compact Photoelectric Sensor with Built-in Amplifier, Square type, Sensing distance: 20 to 200 mm (BGS max setting), NPN open collector, Pre-wired model.
Sensing head size, 30 mm x 30.5 mm x 52.5 mm. Type, Square type, Unshielded. Power source, DC 2-wire models. Sensing distance, 12 mm ±10%.
Type: Square type, Unshielded
Sensing head size, 30 mm x 30.5 mm x 52.5 mm. Type, Square type, Unshielded. Power source, DC Three-wires models. Sensing distance, 10 mm ±10%.
Sensing head size: 30 mm x 30.5 mm x 52.5 mm
Type: Square type, Unshielded
Sensing distance: 10 mm ±10%
Unshielded, Cylinder type (with screw) M18, DC 2-wire models, Sensing distance 14 mm ±10%, NO, Pre-wired models ; 0 to 11.2 mm · 10% max. of sensing distance.