Product details:4m specular reflection type, output relays Power supply: 24 ~ 240 VDC ± 10% / 24 ~ 240 VAC ± 10%, 50/60 Hz output function select: Light-ONLight source: Red LED (624 nm)Working distance: 4m Power supply: 24 ~ 240 VDC ± 10% / 24 ~ 240 VAC ± 10%, 50/60 HzOutput: Relay SPDT, 250 VAC, 3 A max. (Cosφ = 1), 5 VDC, 10 mA min.Function select output: Light-ONLongevity contact:  Mechanical: