About this item Great Performance: Mute without noise bother, low power design is very suitable for fish use, support cooling and heating, come with Celsius temperature and Fahrenheit temperature switching function, very practical, suitable for small scale refrigeration and heating, aquaculture and aquarium. Installation and Use: A. Install the connection as shown in figure. B. Machine and the surrounding space to maintain a distance of more than 20cm, in order to facilitate the of heat. C. Transportation, installation, maintenance, please handle with care. Product Brief: Model STC-200 20L Rated voltage DC12V Power 70W Circulating 1-3L/min Suitable range vertical lifting height of three meters below Cooling water ≤20L Suitable water pipe Inside diameter eight millimeter Product size(approx.) 115 x 110 x 190mm / 4.5 x 4.3 x 7.5in Net weight 1.80 kg / 4 lb(approx.) Premium Quality: Using digital display and advanced microcomputer intelligent temperature control technology. semiconductor refrigeration, environmental without pollution, helps a lot. The attachment Two meters of a water pipe, two pipe buckle, a , a power adapter, a power line Water. Pipe Connection Procedure: The 2Meter divided into two pipes length can be determined according to their own use , respectively set tube buckles on the pipe, connecting the inlet and outlet pipe clamp the buckle fixed tightly connected to the pump and the power supply can be used directly.