Brief quick details information :
Series : the Retro-reflective DC Q50 photo sensor
Size : 50*50*18mm
Housing Material : ABS plastic
The light source : Infrared light(880nm)
Sensing Distance Sn(mm): 4M adjustable
Operating Voltage : DC 10-30V
Output function : NPN/PNP NO/NC
connection : 2M PVC cable