Keeps your bird bath ice free all winter long. Energy efficient. Durable aluminum base and multiple thermostat control. A low-profile, sturdy aluminum base incorporating multiple thermostats for efficient, accurate temperature control and a 10-foot cord with abrasion protector makes this unit ideal for keeping a bird bath ice-free all winter long. Large heating-surface area runs cooler than conventional de-icers. Operates over a narrow heating range. 250 watts. 3-year warranty. Made in the USA.