Exit Sign with Emergency Lights, Fixture Wattage 3.3, Lamp Type LED/Krypton, Letter Color Red, Number of Faces 1 or 2, Housing Color White, Housing Material Thermoplastic, Mounting Universal, Voltage 120/277, Depth 2-5/8 In., Height 9-7/8 In., Width 21-1/4 In., Battery Type Lead CalciumOperating Temp. Range 60 to 90 Degrees F, Directional Indicators Field Selectable Chevrons, Head Lamps Adjustable No, Letter Size 6 In., Optional Guard 4YFV2, Includes Switch, 5 yr. Warranty RestrictionsHazardous Material Lithonia Lighting Exit Signs120/277V 6"H letters with 3/4" stroke; New York Approved have 8" high letters with 1" stroke Universal mounting capability Knockout chevrons for choice of direction Ni-Cd battery (unless noted)Quantum SeriesImpact-, scratch-, and corrosion-resistant housing snaps together with no additional fasteners; UV-stabilized to resist discoloration.UL Listed. UL 94 V-O flame rating. Meet UL924, NFPA 101, NEC, and OSHA illumination standards.