The HT Ice Shelter Light/Fan features bright LED lights to light up any inclosure and a fan for extra ventilation. It can hang as a lighted ceiling fan with a built-in hanging hook, or stands upright as a stand-alone fan. Provide up to 37 hours of light, up to 50 hours of low-speed fan, up to 30 hours of high-speed fan, or up to 16 hours of simultaneous light and low-speed fan. Measures 6-3/8" diameter, 7-3/4" tall excluding handle. Requires D batteries (sold separately). Weight: Approximately 2.33 lb.