This touchless soap dispenser features a built-in advanced sensor that can detect your hand and release precisely one milliliter of soap in just 0.23 seconds, with a generous capacity of 13.85oz/400ml. This bathroom foam soap dispenser features a built-in 800 mAh battery that can last up to 4 months on a single charge. The USB-C rechargeable automatic soap dispenser eliminates the need for frequent battery replacements, using minimal energy while functioning efficiently for an extended period. This soap dispenser features four adjustable settings for foaming soap, allowing you to control the amount of soap dispensed by using the ?+/-? buttons, preventing issues with dispensing too little or too much soap. Our wall-mounted automatic soap dispenser is suitable for various types of soap, including dish soap, shower gel, shampoo, hand soap, and facial cleanser. It comes with tape for easy installation on walls, making it ideal for use in bathrooms, kitchens, toilets, offices, hospitals, hotels, homes, schools, restaurants, and more. HELPFUL HINTS: 1. Before you start using the soap dispenser, ensure it is charged first. 2. If the soap dispenser is left unused for long periods, the hand soap in the pipe may dry and cause a blockage; simply remove the liquid and clean the dispenser. 3. Cleaning it regularly will help prolong the lifespan of the soap dispenser set. 4. Please avoid using soap that has solid particles. 5. Do not turn the soap dispenser upside down while it is in operation. 6. Ensure that your hand can easily fit under the sensor and spout.