3pcs LED book reading light 1.Scientific design 2.tender lighting to protect eyes 3.fits any paperbacks book. 4,not trouble near people Compact size firs any paperbacks (for large-format books you can rotate the product 90 degree for use). 50 hours of light on three AAA batteries The light only 105g One-turning operation to adjustable brightness Extermal dimension :175*147*15mm Power supply:DC 4.5V .3PCS (size AAA DC1.5V ) LED working time: 5000 hours Warranty:one year limited Brand name: OEM is offer.We are professionalelectronic manufacturer in Dongguan, China. We havea profession R&D teamto 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.