Because all ports are sealed by the waterproof (IP53) case and the material is resistant include alcohol and other hospital cleaners is suitable for medical use.
The case protects the investment in iPad2,3,4 or iPad Air from annoying damage by liquids, falling or bumping. The case is made of sturdy ABS plastic with UL and CSA certified.
The Tough-PAC have no cables plugged in for recharging, the iPad automatically charges when it is put in the cradle. It is also easier to grip the iPad and use.