This vacuum pump is a serious must-have tool for shock setup. It is electric-powered for the best performance and simplifies the shock assembly process. The pump quickly removes air bubbles and is powered by a 5V~8.4V DC power source (not included). A 50cm connecting cable with 4mm banana plugs is included. The pump comes in a cardboard box for safe storage and carry. A special decal is also included for you to apply on the place you want. Don't forget to remove the film. The pump is made in Taiwan.