JEERUI Blue Aluminum Backdoor Safety Lock Buckle +Screwdriver for GoPro Hero 3+/4 Xiaomi Yi Waterproof Case Mount The Latch is updated for easier installation,no longer moving about while you using it. It allows the rear door to shut tight. Equipped with special screwdriver, convenient. Aluminum alloy material, high-quality, beautiful appearance. Compatible with GoPro Hero 4 3 3+ Xiaomi Yi