3 years & up. This Touchless operation encourages the right length of time is spent when washing hands in the classroom, learning center, or home. This touchless timer features a 30-second, 3-phase countdown. The first phase is 5-second wet/soap, the second is a 20-second wash/scrub, and the third is a 5-second rinse. Modern LED color display, timer is water resistant with mounting options. Requires 3 AA batteries, not included.