Arlo Pro Vs Pro 2

Anyone used either? I have the indoor camera and considering adding some additional cameras and a doorbell...

The Pro is good value at the moment, 4 x cams for £300. The Pro 2 is £500 for two cameras... Will the video quality be reasonable on the Pro version?

I don't intend to plug them in, so those features won't make a difference, just the quality... The Pro version seems to have the same base station as the 2, so adding a high res camera would be possible in the future.

4 cameras is possibly overkill, but might come in useful.

https://www.amazon.co.uk/Arlo-Security-System-inbuilt-Alarm-x/dp/B01M360HD9/ref=mp_s_a_1_10?ie=UTF8&qid=1550528416&sr=8-10&pi=AC_SX236_SY340_FMwebp_QL65&keywords=arlo+pro+2&dpPl=1&dpID=315ZGkaW3AL&ref=plSrch