Brand , replacement AC wall power adapter charger; not original but 100% compatible. Input: Global 100V240V; all products have passed CE certification. Safety and materials: ABSPC flame retardant construction; builtin smart chip to prevent overheating, overcurrent, overvoltage, and short circuits. Certifications and testing: ETL CE FCC RoSH approval and certification; 100% load test; the damage rate has always been kept within three thousandths. Important: Please confirm the output voltage of your appliance before using. If the output voltage is incorrect, the adapter will not work. Practical use scenarios Replacing a worn or lost charger at home, in the office, or while traveling for devices that use a compatible wall adapter with 100240V mains. Universal backup charger in hotels or other locations where mains voltage ranges from 100V to 240V. Use in classrooms, labs, or workshops to power compatible electronics that share a common AC wall adapter standard.