- Cordless vacuum cleaners are perceived to be convenient, but to have weak suction power in the market.

- When purchasing a vacuum cleaner, customers were forced to choose either corded or cordless vacuum cleaners between suction power and convenience.

- Code Zero Cyking, the only cordless canister vacuum cleaner that possesses both suction power and convenience.

PLEASE LOOK AT YOUTUBE LINK FOR FILM: https://www.youtube.com/watch?v=wGC-F6okuNw&feature=youtu.be

Extreme challenge to climb a skyscraper only with suction power of the cordless vacuum cleaner. Sierra Blair-Coyle, the 2016 US Extreme Climbing Champion, was recruited as a competitor in the challenge.

- Confirming its limitations of suction power through an internal rigorous test.

- Developing suction plates as special equipment to which a human can hold on.

- Operation of a preliminary test with Sierra Blair-Coyle.

- Finally climbing a 139.9m-high skyscraper.