50MM Double-sucker Mechanical Arm Vacuum Pump Suction Cup 10 - 20KG without Electronic Switch for Ar-duino DIY Kit

Note:
- This product is suitable for users with control boards and drivers, and requires the controller to be able to control 3-channel 5-8.4V.

Package Included:
- 1 x Vacuum Pump
- 1 x Electronic Air Release Valve
- 1 x Extra-thick Silicone Tube
- 1 x Double-sucker