Essential Gomadic AC /DC Charge Accessory Bundle for the Garmin Nuvi 660. Kit includes the Gomadic Home and Car Chargers at a Money Saving Price. Based on TipExchange Technology 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 Garmin Nuvi 660. 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 Garmin Nuvi 660 included with additional tips sold separately). 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 Garmin Nuvi 660). A select best-selling product bundle from Gomadic Corp, one of the leaders in consumer electronic charging accessories since 2001.