Krowne Royal Series Countertop Cube Liquid CO2 Glass Chiller with Extended Lines, sanitizes, deodorizes & chills, built-in LED light, includes battery charger, stainless steel construction, rechargeable 12v battery, 100-240v/50/60/1-ph, 40′ CO2 Line, NSF (Recommended to use a dedicated 20LB aluminum CO2 cylinder with siphon tube (tank not included))