You no longer need to worry about forgetting your key at home, because with this new invention by the students of Chungshan Industrial and Commercial School in Kaoshiung, you can unlock your doors with your cell phone. Here on CTS, let's take a look at this innovation that has won multiple awards in the international competitions.

This mobile phone screen shows a rolling door with this phone keypad one can control it.

This is the work of a student at Kaohsiung's Chungshan Industrial and Commercial School who won a gold medal at the Swiss International Invention Competition.

This automatic controller using a Bluetooth connection can open this door. Using a mobile phone to open the door is an invention by this student who uses a flash drive and Bluetooth to create this remote control.

And this flash drive becomes a key winning the Moscow International Salon of Industrial Property Archimedes Gold Medal.

These students using creative design are making life more convenient and also winning glory for their country.

Instructors also believe that both of these designs not only highlight safety and environmental issues,

but also push the potential for cell phones to remotely operate other items such as lights, electric cookers, TVs and other appliances.