Safety / UL Listed - Underwriters Laboratories, the leading American consumer product testing laboratory, lists this Dexpt product as meeting their standards for electrical Safety. In addition, our products include numerous Safety mechanisms, including protection against short circuiting, overvoltage, overcurrent, and internal overheating. Compatibility - Fit for Asus Vivobook 15 14 F510U F510UA F510Q F510 F510QA F512DA F512D F512FA F512F F512JA F512J F512 F712FA F712F F712 F412DA F412D F412U F412F F412 Laptop Output Max - 19V 2.37A 45W (compatible with 33W) Input Volt Range: 100-240V Package Includes - 1 * power adapter ( Total Length 7.54Ft ) Guarantee - Within 30 days of purchase, we offer a no-questions-asked replacement or full refund guarantee, 365 Days Warranty Guaranteed by the Manufacturer