Hand sterilizer(na-hc-01) uses the natural solution and removes 99.9% bacillus. Also, it has not stimulated in skin and is 100% the natural sterilizer that is harmless in human body. This product is suitable in all place that public gathers. (school, restaurant, bank, hospital, public office, kindergarten, academy, hotel etc.) * specificatiion 1. Material : abs 2. Size : 220 x 210 x 345mm 3. Tank capacity : 3l(3, 000cc) 4. Action method : frequency automatic perception sense 5. Power : 40w 6. Voltage : 110 / 220acv 50/60hz