750 BTUs/1.65 ampsDual stage controller (can control a heater as well as the Mini-Chiller). Heater not included. Maximum Tank Size: 50 gallons. If your tank is in a room that is at times over 82 degrees, or if you need to reduce the temperature more than 10 degrees, you might consider a larger chiller. 1/2" and 5/8" Hose Barb Connections Does not have a pump. The required flow through the chiller is between 300 gph and 600 gph.Temperature Range 60°-80°F for the controller9.5" X 12" X 11.5"Chillers should not be placed in an enclosed area without adequate air flowProduct Manual (pdf format in new window)