This laptop has been fully tested and refurbished by a licensed technician.  It has had a operating system installed and tested. A genuine Lenovo power adapter is included. Please refer to the specs below.  Make: Lenovo Model: ThinkPad P71 Processor: Intel Xeon E3-1505m v6 @ 3.00GHZ Memory: 32GB  Hard Drive: 512GB NVME Battery: None Graphics Card: Nvidia Quadro P4000M  Screen: 17.3'' 3840x2160 OS: Windows 10 Pro Missing Components: Battery is not working and needs to be replaced. Power Adapter is included. Notes: Normal wear and light scratches. Touch pad is not responsive at times and isn't working correctly, Brand new Lenovo USB mouse is included. 30 Day Warranty.  Please feel free to ask any questions that you may have.  Thanks.