Features: Removes blind spots perfectly Safe parking multi-purpose auxiliary rearview mirror You can adjust the side stop line accurately You can adjust the angle of reflection freely Suitable for installation on rearview mirrors and side mirrors Product size: 7.5 x 6 x 5.5 cm (approx.) Instructions: 1). Select the suitable position(Can sit in the drivers seat to adjust the installation positionin order to see the front-wheel bland spot.try to install the review mirror on the right as much as possible) 2). Tear off the the adhesives protective filmstick it on the selected position(Please pay attention on the adjusted position and then press tight) 3). After pastedyou can adjust to any beam angle. 4). Press the outer mirrorand adjust to the suitable view. 5). According to the pastes characterplease dont movingwhen washing the car please do not aim the water gun at the mirror otherwise the mirror may fall off. Warnings: 1). Focus on the front-wheel round mirrorsince the rear mirror is adjustablewhile the front wheel mirror cannot.soplease do alignment of the front wheel when install the mirror. 2). Tips:please install it at the position obstruct driving; 3). Before do any installationplease clear the position where you are going to past and keep in dryin order to best fit.