The Mi Automatic Foaming Soap Dispenser has an antibacterial rate up to 99.9% as well as being moisturising. It allows you to have no contact with a near-field infrared induction 0.25-second rapid bubble and deep cleansing reasonable control of the ratio of gas to liquid is a 12:1 micron volume of foam that penetrates into the pores. It is gentle skin-friendly and can effectively inhibit e. coli, staphylococcus aureus, candida albicans, and other common life bacteria up to 99.9%. It is a smart and lightweight, miniature high-efficiency motor, low power consumption, and quiet. It ensures a controlled amount of soap is dispensed. The rich foam leaves hands clean and is easy to rinse, leaving no residue. It has a 320 ml large capacity. The package contains 1 Machine + 1 bottle of soap (white version).
and can be quieter
AA LR6 × 4 are not included