4648 Brand new and high quality Adjustable blindspot car mirror Streamlined design， easy installation Fits onto the outside wing mirror Left or right hand side Solve dead angle zone of sight perfectly Safter driving Casing: Matt black finish Product's size:114*45.5*75.5mm Mirror size:102*44mm How to install: 1. Undo the screw on the back of the mirror and remove the concave mirror 2. Insert the bracket through the slot， hook it over the top of your wing mirror and tighten the bracket with the tool 1 X Car mirror 2 X Screws