Features a bright LED spotlight, glow mode, and flasher mode. Settings include LED spotlight, glow mode with LED spotlight, glow mode only, and flasher mode. The light is water resistant and floats in water. If dropped into water the lightwill automatically flash red, making it easy to find. In addition, you can take off the top and store valuables inside its waterproof interior. Emergency flash mode has a run time of 300 hours, making this a safety light. It s ruggedly built with a hard plastic body and shatterproof lens. Also includes a one hour auto off feature so you don t have to worry about accidentally running down your batteries. The Glow Spot requires four AA batteries, included. 15 hour run time.