Split Structure: Easy One-handed control Spring return split type pistol trigger enable you to shot instantly and steady with the camera floating bobber in your hand to control the camera shutter you can enjoy improved stability.Design: The phone clip above the trigger can help you locate the viewfinder and shooting angles, Split Structure of the clip convenient for rapid disassembly.Gadgets Set: Equipped with all accessories including the buoyancy floating bobber and screws, easy to change the combination makes you don't have to worry about any damage.Features: Compatible with HERO3+ and HERO4 cameras. Note: The Trigger set is not compatible with the GoPro Battery BacPac or LCD Touch BacPac. To be used with HERO3+ and HERO4 cameras frame or housing. As the spring structure it will not fit for SJ series, Xiaomi Yi camera and others.Direct screw up the GoPro to improve stability, phone clip for easy viewfinder and switch the position angleCompatible with HERO3+, and HERO4 camerasOne-handed operation. Split stractureGoPro camera and phone not includedPackage includes:1x Floating Bobber1x Trigger 1x Strap1x Phone Clamp 1x Transfer Head3x Screws