Dispenser kit include: Dispenser, D-Cell batteries, stainless steel connection tube and drill-thru connection kit. Dispenser has top or side mount installation. Battery monitor provides labor saving "at-a-glance" checking of batteries. Battery monitor flashes when batteries are low. 30, 60 or 90 day refill cycle. Tone/Quiet: Audio signals reinforce visual signals, notifying when to change refills and batteries. Hours of Operation: 8, 12, 16 or 24 hour. Time clock adjusts by increments of 10 minutes.