About this item Output: 19V 3.42A 65W (compatible with 45W 33W) Input: AC 100-240v, 50-60Hz; Connector size: 3.0x1.1mm, 4.0x1.35mm, 4.5x3.0mm, 5.5x2.5mm Safety Protection: The product has undergone professional technical inspections to ensure excellent performance and safety. The built-in IC chip technology provides overload, short-circuit, and overheat protection to prevent the charger from overheating at full power output. Dimensions: 6.5 x 4.29 x 2.2 inches.