Description/Features: Optimal Compatibility: Designed specifically for 15 Ultra, this Phone Cage Kit enhances your smartphone photography and videography experience. It seamlessly integrates with phone's design, ensuring a and easy handling. Professional Lens Support: The kit includes a backplate compatible with all 17mm threaded lenses, allowing you to attach a variety of professional-grade lenses to your smartphone for superior image quality. Versatile Filter Adapter: Comes equipped with a 67mm threaded filter adapter, making it easy to add filters for improved photographic effects and protection against lens damage. Construction: Crafted from high-quality materials, the Phone Cage ensures durability and reliability, providing a stable and secure platform for your advanced photography setups. Specifications: Product function: Install lens and filter Installation screw hole: 17mm lens screw hole, 67mm filter screw hole Compatible models:For 15 Ultra Due to different batches, there may be differences in product appearance, color, and printed text, which not affect use. Color: Silver Material: Aluminum Alloy Package Contents: 1 x Phone Cage Kit Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.