This Lenovo ThinkPad E550 laptop was pulled in working condition from an office environment and it has been thoroughly tested. Starting at the time of purchase, it will be covered by a warranty against hardware failures for 1 year. The battery has been tested and is guaranteed to last for at least 4.5 hours of continuous use at the time this laptop was tested. Batteries degrade over time and they are not covered under the warranty. The BIOS battery has been replaced and fresh thermal paste has been applied to the CPU. Specifications Operating System: Windows 10 Pro CPU: Intel i5-5200U @ 2.20 GHz (Dual Core) RAM: 8GB DDR3L @ 1600 MHz Storage: 240GB SATA 2.5" SSD (PNY CS900 SSD) Display: 15.6" Matte Resolution: 1366 x 768 Webcam Resolution: 1280 x 720 Features: DVD RW Drive, Fingerprint Scanner, Bluetooth Connectivity 1 x HDMI 1 x VGA 2 x USB Type-A (3.2 Gen 1) 1 x USB Type-A (2.0) 1 x 3.5mm Aux Combo (CTIA) 1 x SD Card Reader 1 x RJ-45 (Ethernet) Accessories AC Adaptor This laptop is in Good condition. There is one dead pixel near the center of the display, and a few small marks and scratches. There are also minor markings on the palmrest, and small marks or scratches on the lid of the laptop. All of these defects can be seen in the listing photos. Please contact us if you have any questions, concerns, or curiosities.