What is the most efficient way to sanitize escalator handrails in the COVID-19 era?

Self-Power? Human-less? Contact-less cleaning? Automatic? All above included? Yes, answer is quite unbelievable, but it is all within this smart automatic handrail cleaning device.

The most simplify answer is in the smart design of this Automatic Handrail Cleaning device that utilise the proven and most efficient ultraviolet (~270nm) light to sanitise the handrail. The smartness lies within the design, with build-in generator that tap the kinetic energy from the handrail motion, to power itself, allow its to do away with the need of any power, highly unmanned design and the most efficient cleaning device ever available.