Review on 📶 Enhanced Communication for Renogy Charge Controllers: Introducing the Bluetooth Module RJ12, Compatible with Rover/Wanderer/Adventurer, BT-1 RS232 by Paul Rose

Lots of negative reviews on this product - let me counter with positives. My Renogy controller is mounted under the floor and under the table between two benches. This got in the way when looking at the display - I had to get up on my hands/knees and crawl under the table. I also didn't like the fact that I had to press the scroll keys to force the display to change to see all the data it was supposed to be showing. So I have this Bluetooth thing so I can see my stats on my phone and not have to crawl under my desk. So my phone is about 2-3 feet from the Bluetooth device, which means I haven't had the connection issues that others are reporting. I don't care if I can't connect to the fire 50 feet away. I'm deducting a star because the layout of the app data on the screen looks like it was designed by a schoolboy, but even so, it actually shows me the information and I don't have to crawl anymore.