Features Uses and scenarios: Car sunroof, Passenger seat, Engine cover, Car door glass Stronger Fit / More Stable: 4.5" larger suction cup mount, more contact area, stronger adsorption force. One-piece ballhead arm mount, No skidding, No deflection Comes with multiple expansion interfaces for wide compatibility: Compatible with mobile phones, action cameras, small digital cameras (≤ 3kg). Industrial-Graded Air Pump Vacuum Suction Cup: Could carry equipment up to 3kg.  Vertical suction 40kg and horizontal suction 60kg. NATO chute: Could be moved and adjusted at will. Specifications Model: SC-02 Material: metal+rubber Porduct Net Weight: 525g (1.16lbs) Suction Cup Mount Size: 4.5 inch Horizontal bearing load: 60kg Vertical bearing load: 40kg Suggested bearing load: 3KG Applicable temperature: -20℃-70℃ SKU: 3090 Warranty: 1 Year Notice: Before use, please ensure that the adsorption surface is kept dry, flat and clean, and the bottom of the suction cup is intact and clean; if there is dust, it may lead to poor adsorption.