Model Number:ESN Type:Photoelectric Sensor Place of Origin:Shenzhen Brand Name:ESPE Usage:Hand protection Theory:Opposite Detective Output:NPN, PNP, Relay Description:safety light curtain sensor color:Yellow/White Certificates:CE, FCC,ISO9001 Light source:Special infrared LED Protective height:60-2000 mm (regular) Beam gap:5 / 10 / 20 / 40 mm Protection distance:0.1-25 m Response time: