Designed for the military, first responders, and other rugged uses, the Latitude E6400 XFR features the Dell-exclusive Ballistic Armor Protection System featuring PR-481. Features of Ballistic Armor include: twice the impact strength of magnesium alloy; 25 percent higher drop specification than any computer in its class; high compression strength for outstanding impact protection; structural stability at extreme temperatures; and scratch resistance providing corrosion protection.