Machine Specification:?1. Equipped with wall mounted charging rack, integrated design, storage and charging. The vacuum cleaner is equipped with wall mounted charging rack, charging and storage in one, which can make reasonable and effective use of space. It takes only 3.5 hours to fully charge the vacuum cleaner once it is fully charged. 2. Ergonomic design, high place can be easily cleaned. Ergonomically designed, the motor and battery are placed at the handle, which can keep the balance of gravity and clean the high place easily.