Powered by 3 ultra bright lifetime X2 LEDs that adjust from ultra bright to a soft reading light with push button ease. * New intelligent LED sensors automatically power off when the lid is closed to prevent accidental loss of battery power. * New patent-pending WideLipTM design attaches to the KindleTM, Sony® Reader and other eBook readers without blocking the screen. * Double pivoting arms allow for easy positioning and adjustment for tailored screen illumination. * Lightly coated with a slip resistant soft touch finish for tactile comfort and easy handling. * Includes 2 CR2032 batteries installed (plus an extra set of batteries) and protective pouch. * Exclusively warrantied by Ozeri to original purchaser. There are no factory authorized resellers.