Garmin A/C Charger for ForeRunner 301 and Edge Series (010-10635-00) Portable adapter keeps your navigational system charged and ready to go Designed for use with for use with the Forerunner 301 and Edge units Plugs into any standard 110VAC United States outlet Portable and easy to use; voltage range of 110-240 VAC Dimensions: 1.0 x 1.0 x 1.0 inches (WxHxD); weighs 0.25 pounds