Review on ✨ Aucan 20pcs Super Bright LED Lights: RV Trailer T10 921 194 42-SMD 12V Car Backup Reverse Bulbs - Xenon White by Kyle Deel

Excellent price for so many spare lamps! I wanted to replace the stock bulbs in my entire caravan and gave them a try as the price was right. They work and so far with no failures BUT they need to be put in correctly - if the bulb doesn't work when put in place, take it out, turn it around and put it back! They must be inserted with the correct polarity, but there are no markings on the lamps or sockets to indicate this. Brightness is slightly better than traditional incandescent bulbs, but not twice as bright as some have noted, and it's a much whiter light that some might not like. Overall great!