ITEM NAME:Infrared Tube -Beam photoelectric Switch Infrared Sensor QT50CM Detection Descriptio n Description: 100% new high quality Professional after-sales team, let you buy more assured Specifications: 1. Sensing distance :2-50cm 2. Sensing Method: Lightspeed interdiction (IR) 3. Operating Voltage: DC 4.5V ~ 5.5V 4. Working current: emission (20mA) Receive (10mA) 5. Output: NPN normally open high low 6. Output Current: 70mA (can directly drive relays) 7. Emission angle:
