The Cane-Lite Attachable LED Safety Light is a handy LED flashlight that's small, powerful, and lightweight. Specially designed flexible grips fit snugly on round handles and poles, making it ideal for canes, walkers, crutches, wheelchairs, hats, and other assistive devices. Use it with tools, fabric, books, and more for crafting or daily chores in dimly lit rooms. Wear on your finger and keep your hands free to do tasks and hobbies. Soft on/off switch. Includes 1 AA battery. 4+ hours of run time. Fits diameters .75 to 1.0625 inches.