Gomadic Intelligent Compact Car / Auto DC Charger suitable for the Contour HD / GPS / Plus / 2 / ROAM2 - 2A / 10W power at half the size. Uses Gomadic TipExchange Technology Charger provides a full 10W (2,000mAh) of available current in a small form factor a little over 1 inch long. Flexible, straight cable measure 50 inches in total length. Gomadic TipExchange Technology protects your investment by providing a means to change/upgrade your charger by simply swapping the physical charging tip. (Charging tip for Contour HD / GPS / Plus / 2 / ROAM2) included with additional tips sold separately) Intelligent circuit provides precise output voltage and resistor configuration specific to the Contour HD / GPS / Plus / 2 / ROAM2. This ensures battery is safely and efficiently charged without affecting battery longevity. Uses latest state of the art advancements in charging and surge suppression technologies to deliver a unique product in an unbelievably micro-sized form factor. A best-selling product from Gomadic Corp, one of the leaders in consumer electronic charging accessories.