【Versatile Compatibility】 Designed for DJI Osmo Action 5 Pro/4/3 action cameras, providing comprehensive waterproof protection for underwater shooting needs. 【Durable Construction】 Made from high-quality plastic material with strong impact resistance and a high-clarity tempered glass lens for optimal shooting results. 【Deep Water Protection】 Features a sealing ring and high-density pressure-resistant material, offering waterproof protection up to 40M/131FT for 10-15 minutes. 【Accessory Mounting Options】 Equipped with cold shoe mounts on the left and top sides for attaching fill lights and other accessories, plus a GoPro mount and 1/4" screw adapter on the bottom. 【Functional Design】 Preserves button functionality for underwater angle adjustment and recording, includes an anti-fog insert, and allows clear, vivid shooting without compromising image quality. Specifications: Dimensions: 90 x 81 x 41.5mm Waterproof Depth: Up to 40M/131FT (tested for 10-15 minutes) Lens Material: High-quality tempered glass Mounting Options: Cold shoe mounts, for GoPro mount, 1/4" screw adapter Compatible Activities: Diving, surfing, snorkeling, swimming, and rainy weather shooting