Display: Transmitter: 3 LED , Transmitter: 1 7-segment LCD display , Receiver: 3 LED , Receiver: 1 7-segment LCD display Connection: M12 connector Shortcode: OYA0910-40-4-18-P-1-B Type of light: Infrared light 950 nm Housing materials: housing: aluminium, window: PC Product Name: OY827S Protection: IP 65 Ambient temperature: 0...55 °C SKU 5801RK0TLPIL96 Electrical design: DC PNP Operating voltage: 24 V DC (19.2...28.8)