The Genuine Flextronics Dell OEM AC Adapter 240W 0FHMD4 is a black power supply designed for various laptop brands including Dell, Alienware, Acer, ASUS, Lenovo, and HP. With an input of 100-240V~3.5A 50-60Hz and a voltage output of 19.5V, this adapter provides a maximum output power of 240W with a current output of 12.3 A. Compatible with Dell laptops, this adapter is suitable for use with Flex, Aspire, and Dell Precision products. The adapter does not contain any chemicals or materials specified in the California Prop 65 list, making it a safe and reliable option for powering your laptop.