[Important Tips] 1. Recommend using liquid foam soap. If using gel hand soap, it requires to be diluted and completely mixed up with water(Note: 3-5 parts water with 1 part liquid soap). 2. Our product have sealing requirement, the internal lid of the bottle containing hand is relatively tight, our design logic for opening this lid is to use the upper part of the body of the dispenser stuck to the inner lid for reverse rotation, so it be easy to open the lid in . [Multi-Function] 1. Long press to turn ON/OFF,short press to adjust pump volume(3 Levels); 2. Aromatherapy function, open the top area of soap dispenser then you can add aromatherapy stuff in it to purify the air; 3.Very QUIET! [Suitable capacity] The capacity of automatic soap dispenser is 350/12oz, the foaming more dense and saves hand .1200mA built-in battery and it can be used for at least 3 months for a family of three. [Modern Design] Made of high-quality material, no fingerprints, power display, Level display.No need to press,sensing speed is about 0.15 seconds.LONG SERVICE LIFE,NON-TOUCH and EASY-TO-USE. [Waterproof and ] Non-contact soap dispenser has excellent waterproof, moisture-proof and leak-proof technology and . Waterproof technology prevents soap or water from corroding the circuit board.