USB RECHARGEABLE - Convenient to charge, the TIKI is powered by a USB rechargeable Li-ion battery, and provides up to 40 hours of runtime. GLOWS IN THE DARK - A phosphorescent shell allows the TIKI GITD to glow in the dark with as little as one second of UV light exposure. Easily keep track of your light in the dark. 300 LUMEN MINI KEYCHAIN LIGHT - The TIKI weighs only 0.42 ounces, but packs in 300 lumens with a reach of 77 yards. Simply short press the button to cycle through the four brightness levels. IDEAL EDC LIGHT - Made from durable PC materials with a stainless steel alloy head, the TIKI boasts an IP66 rating, ensuring that this little guy can be used as a tool in any weather condition. UV & HIGH CRI LIGHT - Triple press to access the auxiliary UV light, and high CRI lights. Use the UV light to authenticate currency bills and IDs or detect stains. The high CRI light is great for reading and camping.