Dolphin Handheld with Readyflex Technology. Dolphin is a sub-brand under the Eveready lighting umbrella that has a strong heritage over 45 years. Designed for a wide range of outdoor and indoor activities, the EVEREADY Dolphin Handheld is a bright, tough and waterproof light that is uniquely designed with floating capabilities. The Dolphin Lantern features the latest in LED technology to generate a bright light at an optimal distance. The robust and durable construction enable it to withstand even extreme situations. In addition, the light features ReadyFlex technology enabling the light to power on by using 2 or 4 AA batteries to maximize runtime. Users can count on EVEREADY Dolphin Handheld in even the most demanding environments. ​