Weighing just 24g, the waterproof WhiteLite® II performance light is easy to install with a rubber band that simply clamps around the diameter of all handlebars. LAMP 3 super bright LED's BATTERY CR2032 x 2 (included) CONTROL / BURN TIME 2 Modes (Approx) 60 hr Constant / 100 hr Blinking LAMP HOUSING Injection molded plastic LIGHT OUTPUT 60 cd MOUNT Rubber strap fits over-sized handlebars SIZE 5.8 x 3.5 x 3.5 cm / 2.3" x 1.4" x 1.4" WEIGHT 24 g / 0.84 oz (Light)