The mobile phone adopts 6.517-inch full screen (20:9) design, equipped with 16m front and 48m + 2m pixel high-definition camera at the rear. Its waterproof and dustproof performance meets the international IP68 standard. In addition, the phone supports OTG / NFC, software intercom, fingerprint unlocking and other functions. The phone is equipped with GPS positioning, compass and other functions suitable for outdoor construction and pipeline inspection. It can cooperate with OA office system, patrol positioning system, data acquisition system and other applications. Especially suitable for hazardous explosion environment, such as petroleum, chemical, pharmaceutical, military, oil depot, tank farm and other dangerous places with combustible and explosive gas, which is convenient for users to communicate with production and scheduling in time.