Light curtains,area sensor, CE 1.Axes distance:20,40mm 2.Various of protection ... :>5m 4.voltage:12-24V Light curtains LC series (area sensor), CEFeature:1. Apply in synchronous scanning technology, strong interference prevention ... protectionReverse polarity, short-circuit protection, overload protectionAmbient temperature-10~+55°C(forbidden dewed or iced), storage:-10~+60°CAmbient humidity35~85 ...