Display: Transmitter: 3 LED , Transmitter: 1 7-segment LCD display , Receiver: 3 LED , Receiver: 1 7-segment LCD display Type of light: Infrared light 950 nm SKU WQ4K932QBSKRZH Ambient temperature: 0...55 °C Electrical design: DC PNP Housing materials: housing: aluminium, window: PC Connection: M12 connector Operating voltage: 24 V DC (19.2...28.8) Product Name: OY829S Shortcode: OYA1210-40-4-18-P-1-B Protection: IP 65