safety beam / photocell 1. used for auto sliding door operator 2.single or double beam 3. passed CE,ISO 4.ajustable distance safety beam / photocellParameter: Sensitive distance adjustable:0.5~1.2MSensitive angle adjustable Sensitive mode:Single infrared beam , anti-interference Voltage:10~50V DC Surroundings:-30~+40°C,rain preventing Output:NO, COM, NC safety beam / photocell