Hands-free soap dispenser features accurate infrared sensing with a 0.26-second response time to dispense 1mL of liquid per pump. For additional soap, keep your hand in place and wait 2 seconds for the next dispensing cycle. The touchless soap dispenser has an IP67 waterproof rating, allowing the entire unit to be cleaned without damaging internal components, helping prevent water immersion and battery compartment corrosion. The base includes a non-slip design and strong sealing. A transparent window allows you to monitor soap levels and refill as needed. This automatic soap dispenser requires 4 AAA batteries (not included). When installing, ensure the correct polarity by aligning the "+" and "-" signs on the batteries and inside the battery compartment. Rechargeable batteries can be used with this product. Size: 113 x 70 x 235mm Material: ABS Color: Silver Package Contents: 1 x Soap Dispenser Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3cm.