How to assembly Gear pump real-time variable pressure coffee machine when you receive it?

Gear pump real-time variable pressure coffee machine is with 3 major features. 1. Compact  in size,portable and easy to carry,can connect to a 24V power bank for outdoor camping.  2. It can make continuous cups of espress ocoffee  3. It can adjust pressure to control flow rate then to achieve variable pressure for coffee extraction. are you interested in it?  If yes please let me know and i will send you video,pictures and details.  Looking forward to your news. Thank you.