Controls GoPro remotely from distances of up to 600' (180m)WearableWaterproof up to 10mWhen used with HERO4 cameras can access Settings/ Tag button to quickly change settingsWith HERO4 cameras can use HiLight Tag to mark key moments when recording for easy playback editing and sharingEnables control of up to 50 cameras at a timeBuilt-in LCD mirrors camera's status screen for quick confirmation of camera functions and settingsFeatures 40% increased battery capacityIncludes key ring and wrist strap for wearing remote or attaching to gearPlease Note: The Settings/ Tag button is compatible with HERO4 cameras only :: Unisex > Actions Camera Size: one size.