Specification: Part Number 1028481 Part number of individual components: Receiver, WE12L-2P430, 2021726, Sender, WS12L-2D410S02, 2034794 Ambient storage temperature: -25 °C ... +75 °C Circuit protection: A, C, D Supply voltage: 10 V DC ... 30 V DC Response time: ≤ 200 µs Enclosure rating: IP 67 IP 69K Housing material: Metal Signal voltage PNP HIGH/LOW: Uv - < 2.9 V, Uv V / 0 V