Strong suction cup provides secure attachment, preventing mirror shake or detachment while driving, even on uneven surfaces. Quick, tool installation on any smooth and clean windscreen within about 1 minute; grips firmly and won't move, and detaching leaves no marks. Enhanced visibility helps drivers see more clearly and reduces most blind spots, contributing to safer driving. Flexible design allows easy, handonly adjustment of the mirror angle while firmly remaining in position. Compatibility and performance: designed to mount on smooth, clean windscreen surfaces for reliable use without special tools or complicated setup. Use scenarios Use during driving practice or driving tests to ensure complete visibility and better situational awareness. Use as a temporary rear view mirror when your vehicle's factory mirror is damaged, removed, or unavailable. Use while parking or reversing in tight spaces, where adjusting the mirror angle for a clear view improves accuracy and confidence.