Holmes HWH2605-U Water-Filled Heater with Adjustable Thermostat Water-filled electric space heater Alternates between 3 different settings to consume less energy Adjustable thermostat; silent operation; compact design Tip-over protection, automatic shut-off, and manual user reset for safety Measures 14-3/8 by 6-8/9 by 26-4/7 inches; 5-year limited warranty