Ambient temperature: 0...55 °C Operating voltage: 24 V DC (19.2...28.8) Display: Transmitter: 3 LED , Transmitter: 1 7-segment LCD display , Receiver: 3 LED , Receiver: 1 7-segment LCD display Product Name: OY817S Shortcode: OYA0910-20-4-18-P-1-B Connection: M12 connector Electrical design: DC PNP Protection: IP 65 Type of light: Infrared light 950 nm SKU 7UL8H4QKQP5XM7 Housing materials: housing: aluminium, window: PC