This is the light that can be clipped around any standard market umbrella pole, casting its beam either up or down to illuminate outdoor meals, cocktails, or card games. Available in a silver color offered only by Hammacher Schlemmer, this light has a total of 24 efficient LEDs that create a bright glow, direct and clear when pointing down or diffuse and warm when pointing up. The internal battery provides up to five hours of continuous illumination on a six hour charge, and the compact bulbs are rated to last up to 30,000 hours--over 20 years at an average of four hours per night. The built-in self-adjusting clamp fits poles from 1 3/8" to 2". AC adapter included. 2" H x 8" Diam. (3 lbs.)