Broan 170 Wall Heater, 500/1000 Watt 120 VAC, White Painted Grille Factory wired for 1000 Watt at 120 VAC-easily converts to 500 Watt at 120 volt or 1000 Watt at 240VAC Clean white enamel finish Heavy 20 gauge steel-louvered to direct air downward for even room heating Front mounted built-in adjustable thermostat automatically maintains desired temperature and features a color coordinated knob 100-Percent efficient heating element-alloy heating element provides comfortable heat in seconds Factory wired for 1000 watt at 120 VAC-easily converts to 500 watt at 120 volt or 1000 watt at 240VAC Clean white enamel finish Heavy 20 gauge steel-louvered to direct air downward for even room heating Front mounted built-in adjustable thermostat automatically maintains desired temperature and features a color coordinated knob 100-Percent efficient heating element-alloy heating element provides comfortable heat in seconds Grille Dimensions: Height 9-1/4", Width 12", Depth 1/2" Housing Dimensions : Height 7-3/4", Width 10-1/4", Depth 3-3/4"