Please note:It is the chain brand of xiaomi ,but it doesn't have any xiaomi logo on it. Please use attention that the sensing area of the product cannot be washed with water. It will enter water, if there are residual bubbles in the sensing area, just wipe it off with a paper towel.If the liquid is pretty thick,please use 70% water + 30% liquid,so it can work.The gel is easy to block.if you use the gel sanitizer,it can't work well.we don't refund the money to you.if you mind,please don't place the order.Product parameterProduct name: automatic soap dispenser ​Product model: D101 ​Product weight: 330g ​Product material: ABS+PC ​Battery capacity: 1500mAh ​Input: 5V=1A ​Water tank volume: 320mL ​Power: 3W ​Interface: TYPE-C ​Product size: 75X108X187mm ​Package contains: packing box/soap dispenser/instructions/TYPE-C data cable ​ Feature ​-320ml large-capacity open water tank, convenient and quick to refill liquid ​-0.25 second infrared automatic induction to produce foam quickly ​-Compatible with various foam type hand sanitizers ​-Built-in high-sensitivity temperature sensor, digital display of ambient temperature changes ​-Precisely control the mixing ratio of soap and air, making the foam more dense ​-Efficient micro motor, low power consumption, longer battery life