1:<br> Solid, high-quality workmanship way * Stable and secure mounting * Continuously rotated 360° * Position fixing with practical locking nut * All connectors and controls remain accessible .suitable for most rear view mirror and most dash cam. Real 360 degree rotation, available to adjust to any angle you want. Environmental silicone rubber pad, anti-slip and anti-shake.<br> Satisfaction guarantee – Any quality issues ?Contact us anytime via Amazon for a free refund, Replacement product.<br><br> 2:<br> Material: POM plastics+Rubber+Screw<br> Net weight: 140g<br> Bearing weight: ?10kgs(22Ib)<br> Temperature Range: -40? ?110?<br> Clamping Diameter range: 38mm? 65mm<br><br> 3:<br> Widely Compatible with models: include vava, Pruveeo, Roav, Peztio, Trekpow, Rexing V1, Z Edge,Falcon F170, Old Shark, YI, YI Nightscape, Amebay, KDLINKS X1, VANTRUE and other hot selling dash cam.(Including but not limited to)