Herald parking rack / Communal facilities

In 2030, more and more people travel by bike, bike appearance are very similar, will encounter a lot of problems caused when parking, the number of bicycles parked in the parking lot is huge, put the space very tight, can barely distinguish in the morning, in the evening even more difficult to identify. I designed this heralds bicycle racks, it helps you can quickly find their own car.In the daily parking bicycles, When we after looking for bicycle, using mobile phones to open the laser projection lamp, bicycle racks will be projected laser line to the sky, we can clearly find parking, the projection lamp can change 7 colors.