Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:

iF SOCIAL IMPACT PRIZE (free of charge)

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Liftlight / warning light


Use common design as the starting point, the color and size represent“ hour ”(blue)and “ minute ”(green) respectively.
The model use Chinese traditional decoration“ jué ”as design image to spread Chinese traditional culture. According to the idea of measuring tape, the watchband can roll up and the bike lamp can be powered by withdrawing. Use LED strips raise the area of warnings. There are three levels of warnings: always shining, twinkle and electronic marquee.
The bike lamp which was fixed on the bicycle originally, now become a mobile wrist lamp. Make it more easier to self control and promote security.



Dalin Township,Chiayi, Taiwan

Wen-sheng Chen



Dalin Township,Chiayi, Taiwan