It's ultra lightweight for easy carrying in a purse or pocket or right on your book. Shatterproof lens, environmental-friendly, energy-saving, high power and long-lasting Flexible neck and large spring clip for hands-free use. Special round triangle design, with a clip on the base, convenient to use, perfect for reading book at night Slide switch, LED turns on or off could be controlled by ONOFF button. Just clip it on, then flip the switch to shine the powerful LED directly on the page.Youll enjoy your novel or other reading of choice in comfort. Terrific for car or plane travel and a must for camping. Rugged spring clip attaches firmly. Made from ABS plastic with flexible rubber neck.