Sensor Soap Dispenser – The automatic soap dispenser uses the latest design self-contained adjustable knob, with built-in precise infrared movement and PIR sensor sensing technology. The upgraded sensor extends the life of it and is more sensitive so you can quickly get the hands-free soap dispenser. Adjustable Volume – Variable dispense control soap volume by adjusting the +/- switch to control liquid volume from 0.5 to 3ml. No drips or streaks, no soap scum. Compatible with most types of liquids. Leakproof and easy to use – You don’t need to touch the soap dispenser to effectively avoid cross infection. Designed with a waterproof base and rubber seals to prevent the battery compartment from being soaked in water, causing the dispenser to corrode and fail. What’s more, there is no screw for the easy to separate base. High quality and durable material – This soap dispenser is made of ABS+PC and stainless steel, the power Improved motor performance provides a more stable amount of fluid produced. The soap dispenser features waterproof, leak-proof technology to prevent soap or water from corroding circuit boards.