IPX7 Waterproofing: This electric body brush has IPX7 waterproof to prevent water intrusion when immersed in water. Immersing the back scrubber in water for a certain period of time ensures the back scrubber will not be damaged due to immersion, and the shower brush can be used normally without any impact Electric Body Brush: The wall-mounted electric back scrubber has a diameter of 12.99 inches and can rotate 360 degrees with a total of three brush heads. When the three brushes are operating simultaneously, they can give deep cleansing and easily scrub the whole body ,and comfortably massaging the skin to enhance the comfort of bathing. The soft bristles on the shower brush are dense and protect the skin 3 Spinning Speeds Electric Body Brush: The shower brush for body is designed with a gear switching keys include 3 modes:High, Medium and Adaptive. When it is turned on, the wall-mounted electric back scrubber enters the adaptive mode by default. When there is pressure on the brush disk, the speed will be adjusted intelligently, and the speed will be adjusted within 2 minutes under no load.