Made in the USA by people who are blind. DST SelfSet movement automatically adjusts for Daylight Savings Time. Extra Large 16.5 In contemporary body with UV protective cover. Ecologically friendly body is made with Ecopure® Requires 1 AA-battery (not included) This clock helps to provide meaningful employment for people who are blind. They assemble them with quality and pride. All proceeds benefit The Chicago Lighthouse, a social service organization providing services for people who are blind, visually impaired, disabled and Veterans.