Review on 🔌 5-Pack Waterproof Relay Harness - 40/30 AMP 12V DC, Heavy-Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Bosch Style Automotive Relay by Kenneth Wood

I wouldn't be afraid to use these for their current review! It says something in the world of cheap electronics. Wire gauges are as advertised, the airtight seals feel nice and tight, and the general build quality is better than what you typically get at this price point. If you are looking for medium power relays, feel free to try them. It would be nice if they included a schematic or two, but I just printed out the pictures from the Revain sales page. Although I don't think it would be a big request.