Regardless of location or terrain, this ruggedized laptop is ready for the toughest of jobs with its top to bottom, stylishly armored MIL-STD 810G tested Tri-Metal casing, hard wearing and highly durable powder-coated magnesium base, spill-resistant keyboard and port covers for added protection from dust and weather. Plus preinstalled Genuine Windows 7 Professional provides a PC experience law enforcement can count on.