Nook GLOWLIGHT eBook Reader BNRV500 (Certified Refurbished) This Certified Refurbished product is tested & certified to work like-new. The product includes all original accessories, and is backed by a 90 day warranty. highest resolution E Ink display with 60% more pixels latest GlowLight illuminates the page more evenly Carry up to 2,000 books anywhere on the lightest NOOK ever Amazingly long battery life - Lasts up to 8 weeks