EXIT-LED Self-Contained Exit Sign LED Series Description The EXB Exit Sign Light is decoratively designed for convenient operation with single or double size signs complies to E.I.T and TIS. Standards. EXA-xxx - without battery (220VAC operation) EXB-xxx - with battery Housing Electro-galvanized steel sheet 1mm. With epoxy powder and stove enamel coated anti-rust corrosion proof. Battery Maintained nickle metal hydride battery, high temperature type with solid state system automatic battery charger. Constant voltage charging system with 12-15 hours charging period. Electrical Rating AC 220 Volt, 50 Hz, +/-10% - Single phase Life Span Lamp life time 50,000 hours Lamp Type1 LED Lamp