1) Waterproof, convenient for usage in bath time 2) Soft handle makes easy grasp, not likely slippy 3) Compact design, 4 accessories included: A. Big brush for body clean B. Small soft brush for facial clean C. Face sponge for better moisture D. Hard cell remover for treatment under foot or elbow 4) Strong power, not easy to stop 5) Voltage: 6V, 4pcs AA batteries 6) Unit size: 176.5x76x47mm