Securely holds devices between 4.7-7 inches with an adjustable width clamp that locks firmly via a safety knob system. One-handed operation enables fast one-second installation and removal after initial setup. Half-enclosure structure ensures full camera access for photos and video recording during rides. Tool-free quick-press handlebar clip fits diameters from 0.59-1.57 inches (15-40mm) and works with bikes, motorcycles, scooters, strollers, carts, treadmills, and exercise bikes. 360degree(s) rotating ball joint supports both horizontal and vertical viewing angles. Full-surround rubber padding prevents scratches and slips, while reinforced clamp maintains stability even on rough, bumpy roads.