These come with two tabs which fit the dual slots on the back of the device
The vent mount fits on most horizontal vents. Swivels and pivots

Technical Details

Product Details

Package Dimensions
Width : 4 inch
Height : 2 inch
Length : 4 inch

Shipping Weight: 1.6 ounce (View shipping rates and policies)

ASIN : B018PQBC9I