Overall the product is excellent - on par with ones that are three times the price. Using some additional parts I was able to test it out and make adjustments (around 5 PSI per quarter turn with a 6mm hex wrench) to get it to pop off at a little different pressure than it came out of the box.
The only negative is the shipping time (from China) is around three weeks. The expectation on delivery time was a bit murky up front and the tracking never worked. That said, if you're not in a rush, I would highly recommend the product and I will be ordering a couple more.