MIGHTY BRIGHT-Hammerhead LED Book Light. This clip-on goose-neck lamp provides extra illumination right where you need it. Six bright-white energy-efficient LEDs; two brightness levels; and a precisely engineered lens combine to spread light evenly. The padded clip opens 1-inch wide and the flexible neck is 8 inches long. Three AAA batteries are required and included. This package contains one lamp and three batteries. Available in several colors: each sold separately. Imported.