This is a genuine ASUS laptop charger with a 19V output voltage and a 2.37A output current, providing a maximum output power of 45W. It comes with a power cable and is compatible with various ASUS laptop models including the VivoBook F201E, Q200E, S200E, X200E, X201E, X202E, Taichi 21, 31, Q302, Q302L, Q302LA, X540, X540L, X540LA, X553M, X553MA, X540, X540LA, and X540SA, as well as the ZenBook UX21A, UX31A, and the Transformer Book. It is also compatible with the ASUS 45W ADP-45AW A and ADP-45BW B adapters. This power adapter is designed in black and is suitable for use with California Prop 65 warning.
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