Recessed Electric Wall-Mount Heater, Architectural Tamper , 3000/1500, 4000/2000 Watts, 10,236/5,118, 13,650/6,824 BtuH, Heater Voltage 240/277 V AC, Electric Heater Phase 1, Wall Opening Width 14-1/4 In., Color White, 12.5/6.3, 14.5/7.2 Amps AC, Wall Opening Depth 3-7/8 In., Wall Opening Height 18-1/4 In., Mounting Type Surface and Recessed, 60 Hz, Air Temp. Rise 105 Degrees F, Grille Material Steel, Grille Width 15 3/4 in, Grille Depth 1 1/2 in, Grille Height 19 3/16 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)