These are thermostatic. So you'd need to plump a hot and cold supply. You'd need a local bathroom fitter, to come check the pressure on your hot supply at that location.
Electric are usually cold fill only, so if you like cold showers then you can replace with this pretty easily, if you want hot however you'll need a hot supply from a nearby basin or something, then just hope you have enough pressure without a pump.
I would avoid wayfair - they are complete rip off - they inflat price by 60-70% compared to other site, and provide huge discount . which is still above the market price and don't price match too.
With enough plumbing work, sure. If you're asking whether this would be a like for like replacement, i'd say no. Also, if you're asking these questions, I really wouldn't be buying parts without consulting a plumber/bathroom fitter first!
I have an electric powered shower. Can this replace that?