Product characteristics: 1. Infrared sensor produces bubbles in 0.25 seconds, touch-free operation, prevents cross-infection of bacteria, and has no burden for hand washing. 2. The machine body is compact, simple and elegant 3. Suitable for bathroom, kitchen, public places and other environments. 4. The machine body and the wall-mounted back panel are separate design, one is pasted and one is hung, no nails, simple installation. Built-in 5.320ML large capacity liquid bottle, can be filled up to 450 times 6. Type-C fast charge, 1500mAh, up to 60 days of battery life. Product Details: Product material: ABS Power capacity: 1500mAh Input function: 5V-1A Power: 3W Water tank volume: 320ml Interface: TYPE-C Installation steps: 1. Remove the fixing bracket 2. Clean the wall mounting part 3. Tear off the protective film of the red preparation glue 4. Wall mount bracket 5. Align the bracket to install the host 6. Correct installation Simple way to use: 1. Long press to turn on, then long press to turn off 2. Touch to switch between Fahrenheit and Celsius 3. Double click the button to enter the shift mode: it shows the current gear, and each press within 2 seconds to add a gear, 01 is the secondary mode, 02 is the normal mode, and 03 is the strong mode Package includes: 1 piece soap dispenser QT 1PC