Accumulators, electric; Baby monitors; Batteries, electric; Batteries, electric, for vehicles; Battery boxes; Battery chargers; Binoculars; Converters for electric plugs; Distance measuring apparatus; Electric door bells; Electrical and electronic burglar alarms; Gas testing instruments; Personal stereos; Power adapters; Radios; Rechargeable electric batteries; Resistance measuring instruments; Solar batteries; Telemeters; Telescopes; Theft alarms; Electric navigational instruments