Opinions on these recessed LED lights

I am looking to install recessed LED lights with decent output that I can dim. I found these on ebay. They also make a dimmer



X50 RV 4 5" LED 360 Lumen Recessed Interior Ceiling Lights for RVs and Boats | eBay



X50 RV 4 5" LED 360 Lumen Recessed Interior Ceiling Lights for RVs and Boats | eBay



RV LED Dimmer Switch Brand New Exclusive | eBay