Westbrass D411 12 62 Grid Strainer Lavatory Drain w o Overflow Holes Exposed, Matte Black Color:Matte Black 54 terminal infrared through beam sensor quick drying 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 When the delay reaches 1 minute opening with 1 1 4 in the Closing Linear overflow and several other intellectual properties