The electronic paper towel dispenser offers up to 5 Year battery life, more than 120,000 dispenses on one set of batteries and equal to 60,000 hand dries. It is 99.9% jam-free minimizing risk of cross contamination. The cover is durable, shatter-proof and transparent, so supply levels can be checked without opening the dispenser. Keyless entry or key-activated spring lock emergency feed knob, stub roll with no double feed feature to minimize waste. Compatible with 02001 Scott Essential Hard Roll Paper Towels. ADA (Americans with Disabilities Act) compliant when properly installed and when using the recommended paper towels.