The neck between the mirror and the base is rotatable.And the angle of the mirror can be adjusted.Help to widen the rearview of your car, increases driving safety.With screws, install on car hood or side of car bodySpecification:Product Name: Blind Spot Mirror, Sand Mirror, Wide Field Rear View MirrorSurface Finish: Varnish (clear coating)With base overall height: 15cmMirror Length: 8.3cm x 6.5cmFitment:Universal fit for most cars, pickup, truck, busColour:blackMaterial:plasticPackage Contents:2 * Side View Mirror (R & L)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.