The Allied Precision Ind DT250 250-Watt Aluminum Bucket and Utility De-Icer is great for keeping 30 gallons of water from freezing. The design is made for efficiency while putting out the same amount of heat as other conventional de-icers. The design helps reduce mineral buildup and extend its life span. This bucket/utility de-icer comes with a 6-ft cord and a anti-chew protector. It is LOCKNDRY compatible (LOCKNDRY accessories sold separately) working at 250 Watts, 120 Volts, and 60 Hz. It also comes with a 1 year warranty from the manufacturers. Assembled in the USA.