6V 3A Adapter: AC input: 100-240V 50-60Hz. DC output: 6V 3A(3000mA). 18 Watt( Max). Cable length: 4.6FT. Polarity: Center Positive (+). Wide Compatibility: Universal 6V 3A Power Supply suitable for most devices with currently less than 3A, such as 300mA, 500mA, 1A, 1.5A, 2A, 3A. We recommend using less than 80% of the total load. Please do not overload! Please DOUBLE CONFIRM the DC jack dimensions to ensure the compatibility. Wide Compatibility: Universal 6V 3A Power Supply suitable for most devices with currently less than 3A, such as 300mA, 500mA, 1A, 1.5A, 2A, 3A. We recommend using less than 80% of the total load. Please do not overload! Please DOUBLE CONFIRM the DC jack dimensions to ensure the compatibility. Safety Performance: 6V 3A power adapter using IC chip motherboard solutions; set signal interference protection, over-current protection, short-circuit protection, overload protection. It can protect your equipment. low temperature / no noise, all products tested and s