Review on 📱 iSaddle 2 Pcs Dashboard Adhesive Mounting Disk - Circular Adhesive Sticky Suction Cup Base Adapter Plate for Car Dash Cam GPS Nav Smartphone - Diameter 2.8 inch by Abby Page

I recently bought a DVR for my car. The best spot (behind the passenger mirror) has a sun visor with a black dot, so the suction cup isn't very effective. There were two in the box *Make sure you get the right size. The suction cup is 1mm thick on each side and fits perfectly with the suction cup I use. If in doubt, take one size larger. * The adhesive foam part is black or very dark gray when viewed from the outside and is very subtle. * Tilt one side down when applying to minimize blistering.