The U11 is designed specifically for work in hazardous and extreme environments. Sporting a Coolfinity™ fanless and yet versatile expansion design for ultimate functionality, the U11 is certified rugged; meeting MIL-STD-810H, able to withstand a 6-foot drop, water jet pressure tested to an IP66 rating, certified with MIL-STD-461G and ANSI/UL C1D2.