Featuring dual 2-speed fans, the Lucky Duck Dog Kennel Fan keeps your pup's house cool and ventilated on the most sweltering of days. Fan easily attaches to the door of most kennels and is powered by a 12V lithium-ion battery (included) for long-lasting performance. Water-resistant design keeps this kennel fan safe from inclement weather. The Lucky Duck Dog Kennel Fan comes with a charger. Dual 2-speed fans move ample air to keep kennels cool Hassle-free installation attaches to most kennel doors Long-lasting 12V lithium-ion battery with a charger Water-resistant design stands up to summer storms