Safety: This item is up to nationally recognized standards for high-level electronic safety. Fit for Chuwi UBook X/Pro X CWI535, GemiBook 13'' CWI528 14'' Pro CWI529, AeroBook Pro CWI510, Herobook 13.3 Pro +, 15.6 plus, LapBook Pro 12.3 13.3 14 14.1, Freebook LARKBOOK 13.3 Laptop / Tablet [Do not buy if your laptop requires more than 2A]. Output: 12V 2A 24W Input:100-240V Package Includes: 1 X Power Adapter.