1. Easy to install, long service life. 2. Increase vision and eliminate blind spots, making driving safer for both passengers. 3. Mounts on to mirror with 3M adhesive tape. 4. Provides wider visibility. 5. It could be stuck under the rear view mirror, enlarge the view sight. 6. It is helpful to reduce the blind area, safe driving. 7. Angle can be fine-tuned, it could be adjustable according to the need of user.
