No drill This is a self-priming installation, during installation, press firmly on the center of the suction cup to remove air and lock the knob clockwise. a watch. Extra strong suction cup Our suction cup shower head bracket supports a weight of 5 kg. The suction cup has superior flexibility and good airtightness. Wide range of applications The shower tray can adhere to many smooth surfaces, such as marble, glass, metal, ceramic. The standard connection can accommodate almost all handheld showers and shower hoses. 360 rotation Our shower head bracket can be rotated 360 to meet your needs from all angles and can be rotated up and down. High quality material ABS plastic holder and PVC suction cup, moisture resistant and waterproof Adjustable Angle Can be rotated 360 to meet your needs from all angles and can be rotated up and down to your preferred position. Automatic Boot Installation 1. Clean and dry the wall before use to keep it clean and dry. 2. During installation, press firmly on the center of the suction cup to remove air. 3. The enter button should go down. suction cup shower head supports a weight of 5 kg. Caution: - Suitable for flat, smooth solid walls, not suitable for difficult places - Remains firmly on a smooth surface, make sure the surface of the stick is clean before using it.