This program is developed based on BLE4.0, appropriate for the whole-series iPhone, including Iphone4, 4s, 5, 5s, 6, 6s and 7, and is used to control the top tent designed and manufactured by Chengde Cattle Flute Outdoor Sports Goods Co., Ltd. The three buttons on the main App interface, "Up", "Down" and "Stop", are used to open and close the tent, and the App is characterized by the simple and convenient software operation, self-adaptive Chinese-English system, password protection and memory function of device connected last time.