The Vialux 513 circular convex multi purpose mirror can view in two directions covering an angle of Approx. 90 degrees. Designed for use in warehouses, factories, high-risk collision situations, stock surveillance, work station safety & direct observation of hidden parts of machinery etc. from a safe distance. Provides discreet yet efficient security & surveillance. Easy to install & adjust to the exact position required Unbreakable Very light yet withstands severe weather conditions Supplied with bolts & brackets for fixing to walls or to 34-90mm diameter posts White frame 3 year Polymir guarantee