Cadet CBC103TCH Com-Pak Bath Bathroom Heater Factory wired at 240 volts, but can be easily configured to run at 120 volts Built-in thermostat and 60-minute auto-timer. Auto-timer overrides thermostat for instant warmth Painted heating element prevents rust in moist bathroom environments and provides quick and efficient warmth Low profile grill blends with any dcor for replacement, remodel, or new construction Heats a room up to 150 square feet