Charging Current: 120MA(Nominal); Lamp Used: 1×5 white LED; Battery: Nickel Cadmium Battery; Indication: Red LED Indicates Charging; Construction:Natural Finish Aluminum Casing Clear Acrylic Panel With Beveled Lettering For Maximum Light Reflectance and Press-On Directional Arrows; Face:Single/Double; Operating Temperature: -10°C to 60°C; Product Size: 340×274×44 Dimension in mm Tolerance:±0.03mm; Package: Master Carton Size: 46×36×29CM; Exit Sign Option: Battery, Duration Time, Package;