The multi-function, glow in the dark UST SplashFlash LED flashlight works as a mini-lantern, safety light and personal locater. Runtime of 11hrs on steady and ~16hrs of SOS signal. It features an IPX7 waterproof rating, protecting it against water immersion. It features a high-impact ABS plastic with a molded-rubber lens protector for easy one-handed operation, an unbreakable bulb that provides 25 lumens of light and a handy carabiner clip that attaches anywhere and can double as a key chain..