1. VACUUM ADSORPTION PRINCIPLE: Super strong suction cup with a large 3-inch diameter. No screws or drilling required, and no damage to wall surfaces. Place the shower head securely in any desired location. 2. EASY TO INSTALL, REMOVE, AND RELOCATE: No drilling needed. Clean and dry the mounting surface. Press the holder into place and slide down the lever. Installation is complete in seconds. Easily removable and reusable after cleaning. Ideal for positioning your shower or bidet sprayer at any height or location, inside or outside the bathtub, for convenient access by adults, children, or seniors. 3. MATERIAL AND FINISH: Adjustable shower head holder compatible with various handheld shower head styles. Constructed from engineering-grade ABS plastic for durability and long-term performance. Smooth, premium finish with a sleek, shiny appearance. Lightweight yet strong design ensures reliable support. 4. INSTALLATION SURFACE: Designed for smooth, flat, non-porous surfaces such as ceramic tile, glass, smooth wood, and smooth metal. For textured or uneven surfaces like rough wood, painted drywall, or textured tile, use the included adhesive disc to create a smooth mounting base. 5. WIDE RANGE OF APPLICATION: Heavy-duty, waterproof, removable, adjustable, and reusable design. Provides flexible positioning and enhanced convenience for a comfortable bathing experience.