Personal Locator Light. 2 3/4" overall. Glo-In-Dark impact-resistant ABS housing with attachment clip. Multifunction light with Steady-On and SOS flashing modes works as a flashlight, mini lantern, safety light, or as a personal locator light. Bright white lifetime LED bulb is unbreakable and provides up to 25 lumen output. 360 degree visibility. Textured lens produces broad, soft illumination. Waterproof and submersible. Rated to IPX7 - submersible to one meter, for 30 min. Uses one AAA battery (included). Runtime per battery: up to 11 hours - steady-on mode, or up to 16 hours - SOS flashing mode. Weight: 1 oz. with battery. Hang packaged. (To activate the Glo-In-Dark feature, simply place the Splash Flash Glo in a well-lit area for 5-20 minutes. The white, rubberized are will glow in darkness for up to 2 hours (with a full 20 minute "charge"). This feature is particularly helpful when trying to find the light in the instance of a power outage or returning to a dark campsite).