STANDARDFEATURESHOUSING Injection-moldedthermoplasticABShousing. UL94V-0flamerating. Innovative,snap-togetherdesignallowsforfastandeasyinstallation. Twofullyadjustableglare-freesquareshapelightheadsforemergencylight.MOUNTING WallorCeilingmounting. Easilyremovedmountingknock-outsandJ-boxpatternonbackplate.ELECTRICALFEATURESELECTRICAL 120/277VACDualvoltageoperation. Testswitchandchargerateindicator.LAMPS 2X6V5WDCT5wedgebaselampsforemergencymode.BATTERY Lead-CalciumBattery(6V4.5Ah)deliversmorethan90minutescapacitytoemergencylamps. 24hoursrechargeafter90minutesdischarge. Lowvoltagebatterydisconnection-Preventingdeepdischargedamagetothebattery.ORDERINGINFORMATIONItemNo.HousingColorSelf-Diagnostics/Self-TestingApplicationEXL-990SW:WhiteB:BlackCTDL:DampLocation