This Bucket/Utility De-icer uses multiple thermostats for efficient operation. Suitable for up to 60 gallons. The low-profile, finned design provides a large surface area, allowing the de-icer to run cooler while putting out the same amount of heat as conventional de-icers. This helps reduce the amount of mineral buildup and extend the life of the unit. Can be used in plastic containers. Durable, coated-aluminum base. 6-foot cord with anti-chew protector. LOCKNDRY compatible. cULus Listed. 500 Watts, 120 Volts, 60 Hz.