Personal Mini Fan Ceramic Heater Personal heating for small spaces,Self-Regulating Ceramic Element Energy-Smart, uses only 400 Watts 3.8" x 4.3" x 6.1" tall. Fully assembled. Automatic Overheat Protection Safe ceramic element, overheat protection and cool-touch housing Lower power useage saves on your energy bill and helps to elimanate tripping the circuit breaker if multiple heaters are used in an office setting.