There are a lot of fakes out there which costs half the price and with variable input lag.
This is the real deal with 1ms input lag on bluetooth with DS4Windows. If you used the fork version aka the updated version of DS4Windows it gives 2-3ms input lag, which is weird considering how the old version is faster.
Can't comment on the durability since I've not own it for long. Quality wise it feels really good to use and game on.