Volts: 120-270V, Life Hours: 50,000, Emergency Light, 3.6V Battery Voltage, 90 min. emergency operation. Contractor friendly design, provides fast and "e-z" installation, completely self-contained, fully automatic operation, compact, low profile design in neutral finish, universal mounting plate, push to momentary test switch. 6 volt pure lead, maintenance free battery, environmentally-coated solid slate charger, automatic, low voltage disconnect (lvd), universal transformer for 120vac or 277 vac, listed for damp location, injection-molded, v-o flame retardant, high impact, thermoplastic housing, charge rate/power on led indicator light.