The Little Book Light Clip On LED Reading Light - Beige / Green / White / Black LIGHTWEIGHT TO REDUCE ARM STRAIN - Weights less than 1oz so it won't weight your book down or cause arm strain. Unlike bulkier models that require big heavy batteries, this ultra small reader light runs on two compact and powerful Lithium Button Cell CR1220 batteries included. This entire book light weighs less in total than just the AAA batteries that other models require. Battery life is excellent because of the LED bulbs aprox 10-14 hours. BONUS MINI SCREWDRIVER & TRAVEL BAG INCLUDED - So durable and compact that it's the perfect book light for kids, study, airplane travel, backpacking, camping, hobby craft or reading on long car rides, it even works as a map light. There is no cord forget or get tangled up in bed, and the replacement batteries are so small that they are easy to pack or store in a nightstand. It's a perfect night light and great gift under $10 for the avid reader or little bookworm. SOFT WHITE LED LIGHT - The crisp, clean light is bright enough to illuminate a book without lighting up the entire room, making it easier for your partner to sleep while you read late into the night. STAYS IN PLACE - Our exclusive sure grip padded clip design ensures that the light stays firmly in place where you clamp it, and won't topple over. Plus, it's slim low profile clip fits neatly between the pages eliminating the excess bulk created by other book light clip designs. The flexible arm is so easy to adjust that there is never a problem getting the light to stay where you want it. 100% SATISFACTION GUARANTEE: We at Common Sense Goods believe that you should love every product you ever purchase from us, thats why we offer a complete, no questions asked, no hassle, satisfaction guarantee. BUY NOW with the confidence or our complete satisfaction guarantee!