雨伞，是一件不经常用，但却很容易“放丢”的物品，相信很多人都有丢雨伞的经历� �尽管雨伞不像手机那样的贵重，但是经常丢也不是个事� In order to help consumers completely eliminate such troubles, a company called Davek Umbrella launched a smart umbrella called “DavekAlert” on the crowdfunding website Kickstarter last year, which can promptly remind its owner not to drop it through a mobile phone application. Just leave �</p
DavekAlert配置了蓝牙芯片，依靠它能与手机应用“互联”� It can track the distance between the user’s phone and the umbrella. If the distance between the user and the umbrella exceeds 30 feet (about 9 meters), it will send a notification to the user’s phone and display the “umbrella is out of range” prompt on the phone. language �DavekAlert配套的应用软件能够支持苹果iOS和安卓系统，并且对用户免费� �</p
在用户激活DavekAlert应用软件后，雨伞就会与手机建立连接。不过，在不用雨伞的时候，用户也可以关闭或者暂停“丢失提醒”功能，以免被不停的“骚扰”。
除了追踪功能外，说到雨伞本身，也无可挑剔� �这家公司表示，这款雨伞主体采用钢、航空级铝和玻璃纤维材质制成，支撑杆采用坚固钢制成� �另外，DavekAlert雨伞手把部分装有自动打开和闭合按钮，顶部遮篷采用超细纤维制成，覆盖面积直径约为1米，因此适合一个人使用�
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