Westbrass D411 12 62 Grid Strainer Lavatory Drain w o Overflow Holes Exposed, Matte Black Color:Matte Black 54 terminal infrared through beam sensor B0D2XKBRWL 54 terminal infrared through beam sensor Dimensions: 20109mm Lamp: 5MM 850 launch Light hole: 5MM Launch tube power: 20 mA Detection distance: 1M Line length: 30cm Lighting method: DC light Launch angle: straight Receiving angle: <10 degrees Detection method: through beam type Working voltage: DC5V Working current: 20A Response time: 2ms Transmitter Receiver LED Angle Working temperature: 25℃ 60℃ Output mode: NPN normally open Transmit: red wire=5VCC black wire=GND Receive: red wire = 5VCC black wire = GND white wire = OUT (NPN) Note: Do not reverse the positive and negative poles of the power supply The package includes: 1X IR Break Beam Sensor（1m） Receiver 1X IR Break Beam Sensor (1m) Transmitter say goodbye to leaks and wasted water with this efficient tool 19 hole grid strainer lavatory sink drain without overflow holes the Closing Linear overflow and several other intellectual properties