Deluxe, portable, high- quality, high-performance fan protects your pets from uncomfortable, hot weather and keeps them cool and relaxed. Ideal for shows & long trips. The fan easily clips onto any standard cage, crate or pet carrier. Your pet remains cool, calm and comfortable even in humid summer weather. Runs on 2 "D" batteries to provide up to 100 hours of running time. With two speeds for maximum efficiency and powerful air circulation. Designed to be ultra-quite, it will never frighten your pets.