In this post, you will find a complete introduction and review and to both Uniden R1 and Uniden R3 radar laser detectors. This will make your decision and purchase much easier. https://keepspeedincheck.com/uniden-r1-vs-uniden-r3-radar-detectors/
Here you can read the complete review and comparison about two of the best radar detectors on the market today. Written by someone who has purchased and tested them already before you.