Automatically Bubble: Bubble in 0.25s with non-contact operation, prevetnts cross-infection of bacteria, and has no burde on handwashing. Key Operation: Long pressing to turn on/off. Tap to switch between Fahrenheit and Celsius. Double-click the button to enter the gear shifting mode: display the current gear, each press within 2s to addagear, 01 gear is child mode, 02 is normal mode, and 03 is enhanced mode. Dedicated Non-marking Adhesive Paste Installation: The machine body and wall-mounted panel is separate, one sticking and one hanging, no nailing, worry-free installation. Wall·mounted Design: The machine body is small, simple and stylish, suitable for toilets, kitchens, public places and other environments. Dense and Delicate Foam: Precisely control the mixing ratio of soap and air, the foam is denser, more skin-intimated, deep cleaning, and notharming. Product name: automatic soap dispenser Battery capacity: 1500mAh Input: 5V=1A Water tank volume: 320mL Power: 3W Interface: TYPE-C Colour:White/Black/Blue/Pink Material:ABS Size:77 x 144 x 160mm Package Contents: 1 x foaming soap dispenser 1 x usb cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.