a new generation of optical switch devices, with delay, broadening,external synchronization, anti-interference, high reliability,working for regional stability and self-diagnosis of intelligent features.Small size, multi-function, long life, high precision, fast response,detection distance and anti-light, electricity, magnetic interference capability advantages.Separate Amplifier type of structureSpecular reflection type detection methodVoltage :AC 250V / DC 10-24VOutput Current: 3AAmbient temperature: -0-75 (¡æ)Size: 5x5x2cmPackage contains:1 set of photoelectric switch (including screws)Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.