add features to an ongoing design and building a prototype

Job ID: 33229997

Budget: $5,000 – $10,000 USD

As mention above.
the product is small to medium home tech.
we have a basic design for the prototype and a skeleton with the inside components.
we would like to get an opinion on the current design and Upgrade and add-ons.

we strongly prefer someone with experience especially with air pressure cleaning system

the frame time is top 1 month