Dual Anti-Shake System: Dual anti-shake system with spring and hydraulic damping for effective vertical shock absorption. Strong Suction Cup: Includes a 4-inch vacuum suction cup with ultra-strong suction force, ensuring secure and stable . Multi-device compatibility, supporting mainstream devices like the for Pocket 3, for HERO13, and for X4 Compatibility: Compatible with action cameras featuring a 1/4Inch-20 threaded hole at the bottom, such as for 3, for HERO13 Black, and for X4 / X3. Compatible with action cameras with a cage (featuring a 1/4inch-20 threaded hole), such as for HERO12 Black, for HERO11 Black, for HERO10 Black, for HERO9 Black, and for Action 5 Pro / 4 / 3. Precautions: 1. The suction cup should only be used on smooth, dry, and flat surfaces. Avoid using it on rough, wet, uneven, dirty, fragile, or delicate surfaces. 2. that the suction cup base and filter disk are intact and clean. If either is or contaminated, discontinue use immediately. 3. Exercise caution when using the suction cup on surfaces with films. 4. The safety line on the air pump indicates the need for immediate air extraction. the air pump button until the safety line is no longer visible. 5. When using the device outside the vehicle, secure it with a safety strap, maintain a speed below 100 km/h / 62.1 mph, check the suction performance before use, and inspect it every hour. Color:As Shown Material:Aluminum Alloy Package Contents: 1 * Arm 1 set * accessories 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.