Streamlight 44900 Waypoint Spotlight with 12V DC Power Cord, Yellow - 550 Lumens High: 550 Lumen Beam, Low: 40 Lumen Beam C4 LED Technology Bulb Is Impervious To Shock And Has A 50,000 Hour Lifetime Deep-Dish Parabolic Reflector Produces A Long-Range Targeting Beam With Optimum Peripheral Illumination Length: 6.75 In. (17.15 Cm) Height: 7.14 In. (18.14 Cm) Head Diameter: 3.5 In. (8.89 Cm) Powered By 4 "C" Alkaline Batteries Or 12V DC Power Cord