ABS material detection , the proximity switch has a built-in intelligent sensor chip, which can sensitively detect objects. When the proximity switch is close to a single target object, a control signal is sent. It is a component widely used in detection, control and non-contact switches in the automatic control industry. It is widely used in mechanical automation, 3D printer probe station leveling, papermaking, light industrial limit station, directional counting, overspeed test, etc. The voltage range is DC 6-36V. It is recommended that the actual detection distance be less than 70% of the detection distance on the nameplate. Do not power on when wiring, strictly follow the wiring diagram. Sensor wiring: Brown--Power+; Blue--Power-; Black--Signal. Only metal objects can be detected, especially ferrous metals can be better detected, but if non-ferrous metals are , the detection distance be greatly shortened. Model: PL-05N; Wire Type: 3 Wire Type ( Brown, Blue,Black) Switch Appearance Type: Cylinder Type : Inductive Sensor Output Type: NPN NO Detecting Distance: 5mm/0.2 inch Supply Voltage: DC 10-30V Detect Object: Iron; Size: 3.5 x 1.8 x 1.8cm/1.39 inch x 0.7 inch x 0.7 inch(L*W*T) Cable Length: 1.5m/78 inch () Material:ABS colour:orange+gray Package Contents: 20 x sensor 40 x screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.