LED night book reading light 1, scientific design 2, tender lighting to protect eyes 3, round and plump character for easy reading 4,page light is designed specifically for paperback books. A cycle lens flat on the page being read comfort perfect for traveling. Compact aize firs any paperbacks(For large-format books you can rotate the product 90 degree for Use ). 50 hours of light on three AAA batteries Lightweight: 105g only One switch operation to adjustable brightness Extermal dimension: 148*175*15mm Power supply:DC 4.5V. 3pcs (size AAA DC 1.5V) LED working time: 5000 hours Warranty: one year limited Convenient for reading or studying at home, in parks , gardens and low lighted place. Brand name: OEM is offer We are professionalelectronic manufacturer in Dongguan, China. We have outstanding workers to make any model if you give us the clear picture with details information or sample including our lately style. We are away try our best to provide productions with the best quality, competitive price and timely delivery.