Emergency Light, Input Voltage 120/277, Watts @ 90 Minutes 18, Lamp Watts 9, Output Voltage 6VDC, Width 7-1/4 In., Length 11-1/2 In., Height 16 In., Lamp Type Krypton, Housing Material Polycarbonate, Housing Color Gray, Battery Type Lead Calcium, Number of Lamps 2, Head Lamps Adjustable Yes, Emergency Illumination Time 90 min., Mounting WallOptional Guard 4PG64, Includes Ready/Charge Lamp, Push ButtonStandards NEMA 4X, UL Listed RestrictionsHazardous Material Lithonia Lighting Emergency Lighting UnitsIndura NEMA 4XUL Listed; meet UL 924, NFPA 101, NFPA 70-NEC, and OSHA illumination standards.Harsh-environment fixtures have a sealed housing with silicon gasket to withstand rain, sleet, snow, splashing, hose-directed water, and windblown dust.2 adjustable lamp heads on each unit (unless noted) Provide 90 min. illumination upon loss of AC power Brownout protection Include maintenance-free, sealed lead-calcium battery, except Ni-Cd for Contractor Select and Affinity seriesIndura SeriesVertical design minimizes pole- or column-mount overhang; also suitable for wall, I-beam, unistrut, or ceiling and pendant mounting. Quick-Beam installation with steel mounting bracket. AC/LVD reset helps prevent battery damage from deep discharge. Thermal protection and compensation prevent overheating and charger failure. Self-diagnostic units feature audible failure indication and time delay. Most units (except 5YB70, 4LB96, 5TP29, and 5YB72) can be used with remote heads (sold separately).