Features: 1,Completely water-proof and shock-resist,built-in silicone layer,super imported aeronautical aluminum body ,premium military grade ... anodized coat,10 meters free fall without damage. Suitable used in harsh environment. 2,Storage:60,000 records 3,USB Communication:no ... to show success read, also can light and vibration.( optional in software) 6,Low power consumption: standby power 0.8mA,Once ...