Foam dispenser -- The Foam dispenser with a built-in sensor can automatically identify the closed hand and give Foam out. No need to press the button by your wet hands, you can get Foam quickly and efficiently. 2-3inch is the best sensor distance. Put your hands under the outlet for a while, then the Foam dispenser will release 0.7 g Foam each time, . The soap dispenser is designed with a transparent Container on its body, which is convenient to show you the inside volume of soap liquid at real time, avoiding soap liquid short problem Simple appearance -- The Foam dispenser is made of high quality ABS material, tough and durable, owning long using life span. Besides, the Foam dispenser is shaped in the simple minimalist style, fashionable and classic Waterproof -- The Foam dispenser with IPX6 waterproof function, which can effectively prevent the splashing water getting into the inside electric component, perfect for bathroom usage