Universal Phone Diving Case Mounting Expansion Fixture

Expand the compatibility and usability of your underwater phone setup with this precision-made mounting expansion fixture. Designed to securely adapt different smartphone sizes and configurations, it ensures a stable fit inside your waterproof diving housing so you can capture smooth, reliable footage underwater without compromise.

Ideal for divers, snorkellers, and underwater content creators, this expansion fixture helps you get the most out of your diving case system by improving fit, alignment, and overall usability across multiple phone models.

Key Features

• Adjustable expansion fixture designed for a secure smartphone fit inside diving housings
• Enhances compatibility across different phone sizes and models
• Stable locking design helps reduce movement during underwater use
• Supports clear camera alignment for improved underwater photo and video capture
• Durable construction designed for repeated water-based use
• Works as an upgrade or replacement part for compatible underwater housing systems

Specifications

• Model: 4 Max
• Material: Aluminium
• Type: Waterproof housing expansion fixture
• Compatibility: Smartphone diving case systems (supports multiple phone sizes with adapter setup)
• Use Case: Underwater photography, diving, swimming, snorkelling
• Depth Suitability: Designed for use with housings rated up to 60mm waterproof depth
• Camera Compatibility: Suitable for setups used with major action and compact camera systems

Package Contents

• 1 × Universal expansion mounting fixture
• 1 × Basic installation guide

What Makes This a Smart Buy:
This expansion fixture gives your diving case system greater flexibility, allowing you to confidently switch or upgrade smartphones without replacing your entire setup. It improves fit stability and alignment, helping you achieve sharper, more reliable underwater shots.

A simple but powerful upgrade, it extends the life and versatility of your underwater photography gear—making it a cost-effective choice for anyone serious about capturing quality footage beneath the surface.