Smart Sensor - With advanced infrared sensor technology, all you need to do is put your hands under the soap dispenser, the sensor will automatically detect it. Protect you from transmission of bacteria and viruses, maintain life healthier Adjustable Liquid Amount - The soap dispenser automatically comes with 3 different settings to adjust the amount of soap you want to dispense. To adjust the liquid soap volume, press the upper button once for a level. Waterproof and Durable - The waterproof pad prevents the battery compartment from being submerged in water to prevent soap or water from attacking the circuit board. High quality and durable brushed stainless steel soap dispenser, this design is both beautiful and durable. Easy to use - To open or close the device, just press and hold the button for 3 seconds. Once the LED flashes red, the device is turned on. Hold your hand in the area 1 to 10 cm below the sensor for the dispenser to work. Fits Most Liquid Soaps - Compatible with most types of liquids, such as hand lotions, sanitizers. Also suitable for hand or body lotions etc. ? If you have any questions about our product, please contact us. We will offer solutions within 24 hours. Operations: 1. Insert 4 new AAA batteries into the lower compartment and close the compartment. Alkaline battery 2. Turn the top cap counterclockwise and open it, pour in your favorite liquid soap or hand sanitizer, then close the top cap. 3. Press and hold the button for 3 seconds to turn on. While stopping the button, press in the same way to press until the indicator light is off. 4. To adjust the amount of liquid soap, press the button once for one level, there are a total of 3 volume levels of liquid soap. 5. Place your hands under the infrared sensor. The foam is dispensed automatically. 6. Perfect for most decor such as restroom, bathroom, kitchen and coffee bar; a smart choice for family, office, school, hotels and restaurants. Specification: Material: stainless steel + ABS Power supply: 4 AAA batteries (not included). Sensor range: 0 ~ 100mm Package included: 2 x automatic soap dispenser