De-ices and keeps water ice-free up to 15 gallons. Great for buckets, bird baths and pans. Safe for both metallic and non-metallic containers. Submersible de-icer features thermostatic control and a stainless steel guard for safety. Includes adjustable clamp to attach the unit to the container. 6-foot cord with anti-chew protector. 200 Watts, 120 Volts, 60 Hz. cULus Listed.