Compact and lightweight, easy to install, and easy to use, just plug it into the air outlet of the car and use it. It has super suction, no need to worry about falling off, and it will not block the line of sight at all. Easy to use, the phone is automatically close when it is lightly close, and it can be easily operated with one hand to ensure your driving safety.1 1/8" L x 1 1/8" W