Marg is specializing in the production of high quality and economical replacement power supply for laptop ,tablet ,phones and other electrical appliances. Products are certificated with UL,CE, FCC etc. Safety Features: ⭐Over Current Protection, Over Voltage Protection, ⭐Over Temperature Protection, Short Circuit Protection. Product Specifications: ⭐ Plug Type: US prong ⭐ Input Voltage:AC 100-240VAC Worldwide Use ⭐ Input Frequency Range: 50-60Hz Warnings: ⭐ Don't open or modify the power supply / power cord/ power cable ⭐ Please leave children, kids far away from high voltage power source ⭐ Please use it under professional electrician's guides ⭐ Any abuse or improper use will void warranty