Feature:1. Quality and Safety: Our products meet top industry standards and include a variety of safety mechanisms, including protection against short circuits, overvoltage, overcurrent and internal overheating.2. Beautiful and Generous: The shell is made of high temperature resistant and flame retardant high quality ABS material, and ultrasonic welding is used, which is safe and reliable to use.3. Safe and Reliable: High efficiency, low loss, environmental protection circuit design; short circuit protection, overvoltage protection, overload protection, over temperature protection.4. More Choices: In order to meet your more needs, we provide 28 connectors. We recommend that you measure the size of the DC interface of your laptop or device and determine the size you want.5. Applicable Models: Suitable for most laptops on the market, voltage 19V, current less than 3.42A can be used.Specification:Item Type: Laptop Power AdapterMaterial: ABSColour: BlackDC Adapter: 7.9 x 5.0mm / 0.31 x 0.2in, 7.6 x 2.5mm / 0.3 x 0.1in, 7.4 x 6.0mm / 0.29 x 0.24in, 4.5 x 3.0mm / 0.18 x 0.12in, 4 Hole for Thoshiba Tip, 3 Hole for Dell Tip, 6.0 x 4.0mm / 0.24 x 0.16in, 6.3 x 3.0mm / 0.25 x 0.12in, 5.5 x 2.5mm / 0.22 x 0.1in, 5.0 x 2.1mm / 0.2 x 0.08in, 5.5 x 2.1mm DC / 0.22 x 0.08in, 5.0 x 2.1mm DC / 0.2 x 0.08in, 5.5 x 1.7mm DC / 0.22 x 0.07in, 5.0 x 1.7mm Truning Fork / 0.2 x 0.07in, 2.5 x 0.7mm / 0.1 x 0.03in, 2.0 x 0.6mm / 0.08 x 0.02, 2.5mm Audio / 0.1in, 3.5mm Audio / 0.14in, 4.8 x 1.7mm / 0.19 x 0.07in, 3.5 x 1.35mm / 0.14 x 0.05in, 4.0 x 1.7mm / 0.16 x 0.07in, 4.8 x 1.7mm / 0.19 x 0.07in, 5.5 x 3.0mm / 0.22 x 0.12in, 5.5 x 2.1mm Truning Fork / 0.22 x 0.08in, 5.5 x 2.5mm DC / 0.22 x 0.1in, 5.5 x 1.9mm DC / 0.22 x 0.07in, 5.5 x 1.5mm DC / 0.22 x 0.06in.Package List:1 x Adapter1 x Power Cord28 x DC Adapter