1.Anti-Sinking Base Specially Designed For Water Sports, Unlocking Amazing Surfing Shooting Perspectives. 2.Floating And Anti-Sinking Design Provides Double Insurance For Camera Safety. 3.Adopt The Dual Lock Mushroom Buckle System With Extremely High Stability, Which Makes It More Secure To Use. 4.High-Strength Adhesive Base, Excellent Water Resistance, Long-Lasting Durability. 5.Compatible Models: for Go 3s, X4, Ace Pro, Ace, Go 3, X3, One Rs (Dual Lens/4k), Go 2, One X2, One R, One X Because the picture is a high-definition rendering, the appearance and color may vary, which will not affect normal use Colour:As Shown Material:Plastic+Stainless Steel+EVA+Silica Gel Package Contents: 1x Floating Block 1x Mushroom Buckle Base 1x Silicone Base 1x Two Prongs To 1/4inch Connector 1x Lock Screw 2x Alcohol Cotton Pads Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.