This product is a genuine Dell laptop charger with a voltage of 19.5V and an output current of 3.34A, designed for the Dell Precision model. It is an AC unit with a 7.4mm pin and comes with a power lead. The charger is black in colour and is suitable for use in China. It is not covered by a manufacturer warranty. This charger is specifically designed for Dell laptops and is an essential accessory for keeping your device powered up and ready for use.