The price difference between the two BaoFeng radios on PDD is currently ranging from 1 to 10 RMB. The BaoFeng 10W radio (tested by a popular online radio enthusiast, showing UV frequency range of 8-9W) uses the same transmitting chip as the QuanSheng, but uses two. The QuanSheng is 5W. However, the BaoFeng radio has a full-color screen, and reviews say that scanning frequencies significantly reduces the screen brightness to the point where it goes black. Please advise.