Extremely Stable Performance: Android 7.0 OS with memory of 2GB RAM/16GB ROM can provide the highly standard experience, High Speed Data Communication: Double insurance of 4G high Speed network and dual-frequency WIFI network can ensure the real-time data communication in different using environment, Rugged Ergonomic and Over-molding Design: Over-molding and ergonomic hardware design can satisfy most of the tough environment from different fields, Extremely Stable Hardware Display: 4.7 inch Gorilla Glass 3 9H screen can ensure the performance under different tough environment.