Dome size 4.3 Inch 109.8mm Diameter x 63.91mm height Transparent HD Bottom outer diameter with flange: 109.8mm, Bottom outer diameter without flange: 100.99mm, Bottom inner diameter: 96.99mm, Whole height: 63.91mm, Vertical heightening size from bottom: 15.05mm, Flange width: around 4.4mm, Bottom thickness: around 2mm Material: Polycarbonate/PC (anti-aging, anti-UV, high light transmission) Transmission rate 95% distortion rate 0.16