About this item Intelligent, compact and virtually indestructible, the ultra-rugged DuraXV Extreme performs under even the most challenging conditions. Military Standard 810G for dust, shock, vibration, temperature extremes, blowing rain, low pressure, solar radiation, salt fog, humidity, freeze-thaw and icing/freezing rain | Drop proof up to 5 ft. (1.5m) onto concrete | IP68 dust proof, waterproof up to 6.5 ft. (2m) up to 30 minutes | Non-Incendive, Class I, Division 2 hazardous location certification | Rubberized housing for secure hold and extra durability Customizable menu to set frequently used apps | Multiple programmable keys including SOS*, Push To Talk, Speaker key, Call List key, and 4-way navigation keys | Large font, tactile keypad and a clear display for superior readability | Headset jack includes an integrated camlock to securely fasten accessories to device Fast 1.2GHz Quad-Core A53, 64-bit CPU | Large removable 1770mAh battery for full-day operation | Battery Care and ECO Modes optimize battery usage | 16GB ROM / 2GB RAM with expandable memory up to 512GB 100dB+ front-facing, dual loud speakers and dual-mic noise cancellation | HD voice for crystal clear calls | Mobile Hotspot capability, supporting up to 10 devices | 5MP auto-focus camera with LED flash and video recorder