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. Securely holds the shower head in place where needed. 2. EASY TO INSTALL, REMOVE, AND RELOCATE: No drilling required. Clean and dry the mounting surface. Press the holder into place and slide down the lever to lock. Installation completes in seconds. Easily removed and reinstalled after cleaning. Ideal for placing your shower or bidet sprayer at any desired height or location, inside or outside the bathtub, for convenient access by adults, children, or elderly users. 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 use. Smooth, glossy finish with a lightweight yet sturdy design. 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 tiles, use the included adhesive disc to create a secure mounting base. 5. WIDE RANGE OF APPLICATION: Heavy-duty, waterproof, removable, adjustable, and reusable design. Provides flexible placement options and enhances bathing convenience.