1. Input: AC 100-240V Output: 15V 4A 65W. USB Port: 5V 1A 65W Power Supply quickly recharges the battery and the USB port allows you to charge another device such as your phone at the same time. 3. I/C Chip technology prevents your tablet's battery Over heating protection , overload cut-off, and short circuit protection. Ensure the safety during the using. 4. 5. Compatible with: Surface Pro 3 Surface Pro 4 Surface Pro 5 Surface Pro 6(2018 Latest release) Surface Pro 7 Surface Pro 8 Surface Pro X Surface Pro (Newest Version) Surface Laptop Surface Laptop 2(2018 Latest release) Surface Laptop 3 Surface Laptop 4 Surface Go Surface Go 2 Surface Book Surface Book 2 Replacement: 36W 12V 2.58A 1625 Power Adapter 24W 15V 1.6A 1736 Power Adapter 44W 15V 2.58A 1800 Power Adapter 65W 15V 4A 1706 Power Adapter Surface Model: 1706 & 1796 & 1631 & 1873 & 1782 & 1769 & 1736 & 1800 & 1625 & 1703 & 1724 & 1735 Specifications: Input(AC):100v-240v 50/60Hz Output(DC): 15V 4A, 5V 1A Cable Length: 1.2m+1.2m Item Size:11cm(L)*3cm(H)*5.5cm(W) What You Get: 1* Power Adapter 1* Power Cord Attention *Don’t expose to liquids *Don’t disassemble *Avoid dropping *Avoid extreme temperatures It is normal that has certain temperature increasing during use.