R ed android phone M68 r ed handheld PDA is shatter-resistance, waterproof, fireproofing and anti-pressure. Helps users to adapt various harsh environments. It is most realiable smartphone due to it is structure and design. It can be used in areas not only listed in solution.

 -Drop: 2.0m to concrete at room temperature (6 different angles).
 -ESD: ±12kV Air ±8kV Direct
 - Water: Under water for over 24 hours. 1.5m under water for over 2 hours.