Holographic buttons. you don’t touch anything

China breaking the limits with their technology. China has come up with a lot of ways to avoid touching elevator buttons Covid-19 epidemic to help avoid the risk of touching potentially contaminate surfaces. People have been using toothpicks and lighters to avoid using their finger, and some buildings have adopted voice control systems. But perhaps things innovative solution so far is holographic buttons. Do like share and subscriber our channel for more update.....