SmartHadin is an APP that provides intelligent Bluetooth anti-theft alarm for electric vehicles. It is equipped with a smart Bluetooth alarm developed by Knife Co., Ltd., which can be used to control vehicles through the APP. In addition, different functions can be added by adding matching smart Bluetooth peripherals to make electric vehicles. More intelligent. The APP is compatible with all phones with Bluetooth 4.0 and above. Provide security and convenient services for the majority of electric vehicle users.