Detachi 3R Car Wide Angle Blind Spot Rear Mirror Rectangle Convex 360 Degree (2 Pcs) for Car

It does its job, useful for mid engagement cars where mirror is not big enough & miss people too close or away. After some tries what I figured is best place to stick it is top inside corner. That way it does not obstruct your view of normal mirror and u can use when you want. It takes some time to get used to it.

Good product...fitting and quality and functionality all are good ...

Good product

I actually bought this Detachi 3R Blind Spot Mirror set for my bike’s bar-end mirrors, and it has been an absolute game changer. Even though it's designed for cars, the rectangular convex shape fits perfectly and provides an incredibly wide-angle view of the road behind me. The visibility is truly excellent; I can see everything in my periphery that my standard mirrors used to miss, which makes lane changes so much safer. The 360-degree adjustment allows me to dial in the perfect angle regardless of my riding position. The build feels solid, and the adhesive is strong enough to withstand high speeds and vibrations without budging. It is rare to find a product that exceeds expectations like this, but for the price and the safety it adds, it’s a total 6/5 for me. If you’re looking to eliminate blind spots on your motorcycle or car, this is a must-buy. I’m extremely impressed with the clarity and the massive field of vision these small mirrors provide.

Well I brought it and still using it while writing this (4/8/25). And as per my usage of last 3 months, what I can conclude is Go with ROUND ONES. These look and appeal to be more usable and practical. But rectangle shape isn't that good. Only go with round ones. Because 1. While cleaning the car hey will surely get misaligned and you have to align them again and again. 2. While adjusting your car's original ORVM they will get misaligned. And again you have to put in manual efforts. Rest they serve the purpose and they cover pretty good area.