Do you always find it is raining when you walk out？Or are you always buying umbrellas and leaving them home when it rains？There is a new umbrella that could solve both problems．
The umbrella will not only tell you the weather，but also let you know you've left it behind．How does it work？The umbrella will send a message to your smartphone．And it says"Hey，it's going to rain in 15 minutes where you are，so you'd better take your umbrella．"
Besides，if you are forgetful，you may never leave an umbrella on a bus or somewhere else again．The umbrella will send a warning to your smartphone if you leave it behind．The new umbrella is expected to go on sale soon．Though it is a good idea and it looks pretty cool，the umbrella will cost you $185．Maybe you will just check the free weather apps （应用程序） on your smartphone and take an umbrella with you when it is going to rain．
