【Rated Power】Input:100-240V 50-60Hz.Output: 20V 11.5A 230W Plug size: USB Square Yellow Tip
【Protection Features】A new generation of Synchronous Rectifier (SR) controller ICs is used to obtain under-voltage protection and internal over-temperature protection. Its high level of integration allows the design of a cost-effective power supply with a very low number of external components. It passed the UL / CE / FCC / RoHS testing and was made with the highest quality materials
【Warranty】Rest assured with 60 days Refund and 12 months Warranty;24 x 7 email support.Note: Amazon return windows will close after one month, don't worry about it, you can click on seller store on right corner “ask a question” and contact seller directly for 12 month warranty.