Compatible Model: Microsoft Surface Book (all versions) Microsoft Surface Book 2 (all versions) Microsoft Surface Laptop Microsoft Surface Pro 2017Surface Pro 4Surface Pro 3 Input: 100-240V~1.5A, 50/60Hz Output: 5V 6.33A, 5V 1.5A 102W USB Port: 5V 1A USB2.0 Dimensions: Power Supply: 4.37 x 2.2 x 1.2 inch Power Cord: 6.2Ft DC Cable: 5.8Ft Weight: Power Supply with Power Cord Cable: about 0.9lb Package Include: 1* 102W Power Adapter 1* 6.2Ft Long Power Cord 1* Carry Pouch Warranty: 12-month Replacement warranty Attention *Don’t expose to liquids *Don’t disassemble *Avoid dropping *Avoid extreme temperatures It is normal that has certain temperature increasing during use. OUR PROMISE TO YOU: If you have any questions about the product. Please feel free to contact us. We are always willing to solve your problem.