The TETRAnote Convertible, features a 10.4" or 12.1" LCD screen. The lightweight 5 lb. design and 180° rotatable display allows transformation from notebook to tablet PC. Its case is magnesium alloy and emphasizes fan-less conduction cooling. The TETRAnote complies with MIL-STD-810 and MIL-STD-461 (optional). The hard drive is shielded by a protection mechanism to prevent damage during operation. All ports and doors along with the keyboard are water-proof to protect the computer from fine dust, rain, coffee and soda. Touch or digitizer screens are available. Data sheet