1The design is simple, in line with the simple use of human body mechanics design standards.2 Easy to operate, built-in springs, just gently press the button on the device, then you can get the liquid easily.3Wall-mounted and no wiring needed, easy to install with supplied mounting hardware, space saving.4Metal painting process, beautiful and durable.5 Best choice for hotel, office building, district hospital, schools, families and office space.