Auto TouchlessMerKioo Automatic Soap Dispenser with Infrared Motion Sensor. Just place your hand under the sensor port at 0-4.5cm, it will quickly dispense soap within 0.25 seconds, no soap wasted. No need to touch and press the port to avoid cross-infection. Rechargeable built-in batteryOur soap dispenser has a built-in lithium-ion battery that can be charged. When it is almost empty, the power button will flash. The soap dispenser can be fully charged within 2 hours using the appropriate USB cable (included). The dispenser cannot work while charging. 5 Levels Adjustable Soap VolumeThree switching buttons on the soap dispenser control panel: a power switch and two controlled switches (water drop design) to adjust the soap dispenser volume, 5 levels to choose from, to meet your different needs for bathroom, kitchen, office, hotel. Compatible with all liquid soapThe soap dispenser comes with a 450ml large capacity container, the soap does not need to be replaced or added frequently. Can be used with all liquid soaps directly, such as thick hand soap, shampoo, facial cleanser, dish soap, etc IPX4 durableIPX4 waterproof and moisture-proof, widely used in humid environments, such as bathroom washroom, etc. Splash-proof and prevents accidental touching of the soap. Equipped with diatomite anti-slip mat, absorb water quickly. Multiple installation methods: Can be installed on countertops or wall with base and self-adhesive stickers. Avoid your desk dirty and save space. Warm TipsThis is electric product, do not wash the body by water. PLS cover the USB charging port tightly with the silicone plug to prevent water from entering.