The 45-degree inclined surfaces design canbe pasted on flat or inclined surfaces. Remove the tape protective film and choose the suitable point stick on the car dashboard or windshield,then put the sucker holder on the disc fixed base. This product is accessory and cannot be used alone.It needs to be paired with other bodies before use! 360 Rotations design,freely adjust the viewing angles you need. Beautiful and stable base,used with stand,operations is more convenient.