This is the Traxxas AC to DC Power Supply Adapter. FEATURES: Designed specifically for use with the Traxxas peak detecting DC 2-4A fast chargers and allows them to be powered from a standard 110V AC outlet No on/off switch, plug in to turn on and unplug to turn off, unplug when not in use INCLUDES: Traxxas AC to DC Power Supply Adapter with 110 Power Cord and 12V Output Cord with Socket SPECS: Input 100 - 240V AC, 50-60Hz, 1.0A Output: 13.8V, 3.5A COMMENTS: For dry locations and indoor use only. Do not expose to moisture. Do not open case, risk of electrical shock. jxs 01/15/15 ir/jxsBOX DIMENSIONS: 4.75" W. X 1.38" H. X 7.00" L.BOX WEIGHT: .55 LBS.