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.