Gomadic Car and Wall Charger Essential Kit for the Golf Buddy World - Includes both AC Wall and DC Car Charging Options with TipExchange This Gomadic Car charger has a wide input voltage range of 12-24vDC to support all vehicle charging ports. Works in cars, trucks, planes, boat, RVs and more (both domestic and international). Available output current is an impressive 10W/2A . (Twice most competing products!) Gomadic TipExchange Technology protects your investment by allowing you to change/upgrade either charger by simply swapping the physical charging tip. (Charging tips for Golf Buddy World included with additional tips sold separately). Gomadic Wall Charger is built to support worldwide voltage input levels ranging from 100-240vAC /50-60 Hz. High output 10W /2A transformer provides output voltage and resistor configuration specific to the Golf Buddy World . Gomadic Car and Wall chargers employ latest state of the art advancements in charging and surge suppression technologies to deliver products in an unbelievable micro-sized form factors. The Gomadic Power Sleep feature limits power consumption when chargers are not in use. Both car and wall chargers will draw less than 0.1W of power when in ready state (e.g. not connected to the Golf Buddy World ).