LED indicator light and push button test switch. LEDs mounted on print circuit board. (for Exit Sign) LED lamps are operating Exit LightUniversal from 90VAC up to 300VAC free voltage operation.Low power consumption-2.3 watts at normal operation, 12 watts at emergency operation.LED indicator light and push button test switch.LEDs mounted on print circuit board. (for Exit Sign)LED lamps are operating in normal (AC input) and emergency (DC input) modes.2*6V 5.4 watts DC T5 wedge base lamps for emergency mode.Lead-Calcium Battery (6V 4.5Ah).May use additional battery, when add remote light heads to the fixture. (Total 2*6V 4.5 Ah battery).Low voltage battery disconnection.Automatic battery Charging by a charging circuit Automatic power transfer to a stand-by power source in the event of a power failure Battery state monitoring by a battery monitoring lamp Lighting confirmation by an inspection switch Power saving by three-line-wiring

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