The soap dispenser with a built-in infrared sensor can automatically identify the closed hand and give soap liquid out. No need to press the button with your wet hands, you can now get soap liquid quickly and efficiently. The soap dispenser is made of high-quality stainless steel material, tough, anti-rust, hard, durable, wear-resistant and robust, owning long using life span. The delicate design and metal texture provide a wonderful decorative function to any room. The soap dispenser is powered by 4* AAA batteries (not included), which can support up to 6 months working time, no need of changing the batteries frequently. 250ml big capacity can suffice normal usage. Press and hold (+ key for 1-2 seconds), the red light flashes twice, indicating that it has been turned on. In the standby state, single-click to add or subtract, adjust the amount of soap liquid to a small amount, and then long press (-key for 1-2 seconds) to shut down.