Features: Car air vent mount holder for Tom Tom V4Easy to install on car air vent with 2 adjustable and detachable clampsBuild-in 360 degrees ball for easy adjustmentClamp Depth: Approx. 1.3inch / 3.2cmBase Size (L x W): Approx. 1.9 x 1.9inch / 4.9 x 4.9cmMaterial: PlasticColor: BlackCompatibility:Tom Tom ONE 125， ONE 125 SE， ONE 130， ONE 130-S， ONE 140， ONE 140-STom Tom XL 325， XL 325-S， XL 330， XL 330-S， XL 335-S， XL 335 LE， XL 340， XL 340-S， XL 350T. XL 350M， XL 350Tom Tom XXL 530-S， XXL 535-T， XXL 540-S， XXL 550， XXL 550TTom Tom PRO 4000， PRO 8000Tom Tom ONE 22， ONE 22 Europe， ONE Europe 22 Assist，Tom Tom ONE Regional， ONE Regional AssistTom Tom Europe 22， XL Regional Assist， XL Europe 22 TrafficTom Tom XL RegionalTom Tom XL Regional TrafficHow to Use:Clamp on the car ventAdjust the angle for desired viewPut the GPS onto the holderPackage Includes:1 x Car Air Vent Mount