Foam soap dispenser is part of the One Shot System that sets the standard for quality and reliability in counter-mounted soap dispensing. Luxurious formulas (sold separately) encourage healthy handwashing. Patented Smart Sensor technology detects hands and automatically delivers the perfect amount of soap. Touch-free delivery encourages use and eliminates cross-contamination to help reduce the spread of germs. Controlled dispensing of concentrated soaps eliminates overuse and costly waste. Refills (sold separately) deliver a high yield of handwashes - up to 2，000 per refill. Disposable hygienic refill keeps soap fresh and germ-free. Industry-leading battery life lasts up to two years or 90，000 cycles for One Shot foam dispensers. Counter-mounted foam dispenser of this closed dispensing system also features a polished chrome/black finish and indicator lights for refill and battery life.