QT50CM Infrared Photoelectric Switch Through-Beam Sensor Switch Infrared Tube 

Specifications:
Voltage:5V DC
Measuring range:2-50CM
Species: Through-beam
Material physical properties: Inductive
Craftsmanship: Integrated
Output signal: Switch type
Current: Lanching(30MA)      Receiving (10MA)
Package includes:
1 x QT50CM Photoelectric Switch