The One Shot System sets the standard for quality and reliability in counter-mounted soap dispensing. Luxurious formulas encourage healthy hand washing, and patented Smart Sensor technology detects hands, automatically delivering the perfect amount of soap ? every time! Touch-free delivery eliminates cross-contamination to help reduce the spread of germs and encourages use. Controlled dispensing of concentrated soaps eliminates over use and costly waste. The One Shot System has the highest yield of hand washes ? up to 2,000 per refill while having the lowest waste ? industry leading evacuation. Industry-leading battery life: Up to 3 years or 120,000 cycles for One Shot liquid dispensers up to 2 years or 90,000 cycles for One Shot foam dispensers and reliable, low maintenance dispensing. A disposable hygienic refill keeps soap fresh and germ free meaning it?s a preferred environmental choice ? recyclable refills, biodegradable soap and Green Seal certified soaps ? up to 80% packaging waste reduction1. NSF & Green Seal apply to specific refills only.1Vs. traditional bag-in box and bulk gallons. No clogs, no leaks, no breakdowns, no repairs, no mess to clean up. Helps earn LEED credits. One dispenser each.