Lenovo 01FR159 is an AC power adapter for a laptop, supplying 20 V DC at up to 3.25 A, with a stated output of 65 W. These ratings describe the power it provides to a compatible laptop.
It accepts 100–240 V input at the listed frequency of 50–60 Hz. The black adapter has a Europlug (CEE 7/16) mains input for connection to an AC outlet.
The listed compatible model is Lenovo IdeaPad 520-15IKB 81BF. Package contents: one adapter for powering that listed laptop from the mains.