This automatic soap dispenser features touchless sensor technology that activates when hands are placed within 0 to 3.94 inches of the sensor, dispensing liquid soap without contact to help prevent cross-contamination. The 400ml capacity transparent container allows you to monitor soap levels and refill as needed. Two adjustable volume settings let you control the amount of soap dispensed per use, reducing waste. The dispenser is made of durable ABS material with an anti-slip base for stable placement on countertops. It operates on four AAA batteries, which are not included. Suitable for use in kitchens, bathrooms, offices, restaurants, hotels, and other public or private spaces. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.