Lantoo Waterproof Protective Housing Case, 45m Underwater Camcorder Dive Shell Housing Case Cover for Xiaomi Yi 4K Yi 2 YI 4K Action Camera(Clear) COMPATIBLE WITH YI 4K ACTION SPORTS CAMERA: Be noted that suitable only for Xiaomi Xiaoyi Yi2 sports camera but can work well with YI Selfie Stick, Floating Hand Grip, Head Mount, Chest Mount, Wrist Mount, Hand Mount and Handlebar Bike Mount WATERPROOF TO 147 FEET UNDERWATER: Waterproof to 45 meters(147 FEET) ideal for diving, snorkeling and other underwater activities. Withstands up to -22 F temperature and resistant to high water pressure CRYSTAL CLEAR PHOTOS: In order to get a clearer view in deeper water, our waterproof shell has been adopted with Ultra-white glass AF, AR double-layer optical coating, which means German Schott glass used on Waterproof Case lens, 98.5% on light transmittance delivers high definition /Public/index/images above and below water STURDY SPRING LATCH: Sealed with an airtight locking mechanism to prevent accidental opening VERSATILITY: Waterproof housing case cover used for daily dust drop resistance or professional diving shooting, protecting the lens from scratch. Also best Gift for back up shell Yi 4K camera