Convex Mirror 800 mm Outdoor - Comes with Post Mount Bracket.For an unobstructed view use a convex or dome mirror. Mirrors provide vision around corners, blind spots and aisle ways. Ideal for doorways to see who is coming and going.
So which size mirror should your order?
30-45 cm - 0-5 metres
45-60cm - 5-10 metres
60-76cm - 10-15 metres
76-90cm - 15-30 metres
Judge the distance from the person to the mirror, then from the mirror to the object to work out the distance so you know what size mirror is needed.