Specifications: Input: 100-240V 50/60Hz; Output: 45W; Connector Size: 4.5mm*3.0mm Blue Tip INEDARAT 45W Laptop Replacement Charger Compatible with HP 4.5mm*3.0mm Round Tip Laptop INEDARAT 45W Laptop Replacement Charger Connector:Round Tip INEDARAT Charger has built-in IC chip technology, with a variety of intelligent functions, which can prevent IC overcurrent, IV error voltage, SC short circuit, and IO internal overheating. Package: 1x AC adapter & 1x AC power cable