Charging Current: 120MA(Nominal); Lamp Used: 1×5 white LED; Battery: Nickel Cadmium Battery; Indication: Red LED Indicates Charging,Green LED Indicates AC Power Supply; Construction:Cold Rolled Steel Sheet Casing and Clear Acrylic Panel; Operating Temperature: -10°C to 60°C; Product Size: 350×138×32 Dimension in mm Tolerance:±0.03mm; Package: Master Carton Size: 40×37×15CM; Exit Sign Option: Battery, Duration Time, Package;