The right choice for outdoor professionals. eLED Zoom Flashlights are waterproof to 10', built to withstand harsh use and run on four AA alkaline batteries (included). Batteries last several times longer than in standard lights. Get constant light for up to 11 hours with narrow beam, or switch to low-battery power-saving mode. Push-button thumb switch lets you select continuous or momentary operation. 6"L x 1.5"W x 1.2"D. Available in Fluorescent Yellow (No. 123288) and Black (No. 123289).