Eschenbach Illuminated Hand Magnifier (3.5X / 10D) provides magnification and illumination for spotting tasks. It"s ideal for in-home uses such as looking up a phone number, setting the thermostat or reading the prescription on a medicine bottle. Portability makes it useful for spotting a price in the supermarket, reading the menu in a dimly lit retaurant or looking at a map in the car. Requires 2 AA Batteries, not included. Weight 4.9 oz. with batteries.