Feature: 1. Instantaneous Switching: Quickly release the bracket and switch cameras between multiple devices in just 1 second. If you are recording cycling footage, you can also quickly remove the camera and take other shots. 2. Locking Function: Rotate the middle knob to quickly lock the camera for safer use. After locking, the bracket can be used for various intense sports, such as running, jumping, cycling, skiing, etc. 3. Excellent Workmanship: The action camera quick release base is convenient to use, with excellent workmanship and no need to tighten and unscrew screws multiple times. 4. With 1/4 Inch Screw Hole: A standard base with 1/4 inch screw holes, suitable for action cameras such as for Insta360. 5. Powerful Magnetism: The bracket has powerful magnetism and rotation system to ensure the safety of your camera. Made of sturdy ABS plastic and can withstand impacts. Specification: Item Type: Quick Release Magnetic Mount Base Product Material: Plastic, Magnetic Weight: Approx. 75g / 2.6oz. Package List: 1 x Base 1 x Adapter 1 x Screw