This hands free soap dispenser is made of durable ABS plastic material to provide long-lasting strength and use. Built-in with senstive smart infrared sensor, 0.2 second activation, 1ml liquid per pump. This wall mounted hand dispenser can highly improve hand hygiene and keep hands clean without touching anything.^ This liquid soap dispenser has 20oz capacity.A compact size suitable for both home and public places. Single out the liquid 0.8~1ml per activation to reduce waste. When it is getting close to needing a refill, you'll quickly see thanks to the transparent soap chamber. Locking design, equipped with a key, especially safe and suitable for commercial public places, such as schools, hotel, hospitals, airports, restaurants, kitchen, office, etc.^ This decorative wall mounted auto soap dispenser not only suitable for industrial also perfect for home bath kitchen. Wall soap dispenser can highly save the space and avoid mass bottles occupying the desk.^ This product works with most all-purpose brands of liquid soap, hands cleaner, kitchen dish soap, lotion and so on.( Not foaming soap )^ This dispenser uses smart infrared sensor, will not drip, leak or spill, so if you're looking for a tidy solution to help keep both hands and bathroom clean, you can not miss this dispenser. ^