Gomadic Global Home Wall AC Charger designed for the Zoom H4n with Power Sleep technology &ndash; supports worldwide wall outlets and voltage levels - designed with Gomadic TipExchange Advanced circuitry provides tailors output voltage and resistor ID configuration to the Zoom H4n extending usable battery life and longevity. Power Sleep"" cuts latent power draw by over 99% when charger is not in use. Charger will use less than 0.1W of power when in ""ready state"" mode. This Gomadic Charger supports all global power standards with 100-240 VAC input voltage range. Kit includes four plugs to support every physical wall outlet permutation worldwide. Powerful 10W of available charging current (e.g. 2,000mAh) enables rapid charging. Twice the available charging current of most competitors. Specification: Input Voltage (100-240vAC), Cable length (50 inches), Transformer Dimensions (2.5 X 2.25 inches), Circuit Design (Zoom H4n Specific)