Electric Wall Heater, Fan Forced, Voltage 240/208, 20.0/10.0 17.3/8.7 Amps AC, 4800/2400 3600/1800 Watts, 16,382/8190 12,287/6142 BtuH, White Enamel Finish, Surface Mount Type, Wall Opening 18 1/4 x 14 3/8 x 4 In, Dimensions 19 1/8 x 15 3/4 x 5 1/2 In