1. Using semiconductor refrigeration, it is environmentally friendly and pollution-free, which is of great help. Silent and noise-free, the low-power design is suitable for use in fish tanks and supports cooling and heating3. Adopt digital display and advanced microcomputer intelligent temperature control technology 4. With Celsius and Fahrenheit temperature switching function, practical5. This product is suitable for small refrigeration and heating, aquaculture, and aquariums. Project type: electronic chiller. Application: Plumbing equipment. Model: STC-200 35L. Rated voltage: DC12V. Power: 70W. Circulating water pump. Flow rate: 1-3L/min. Scope of application: water pump. Vertical lift three-stage cooling water: 20L Applicable water pipe: inner diameter eight millimeters Product size (.) 115 x 110 x 190mm / 4.5 x 4.3 x 7.5inch water pipe connection operating procedure: Divide 2 meters into two pipes (the length can be determined according to your own Purpose determined), set pipe buckles on the pipes, connect the buckles of the inlet and outlet pipes, fix the buckles tightly, connect to the water pump, turn on the power and use it directly. 1. Turn on the power, water starts to circulate, and observe whether there is any water leakage. 2. Connect the power cord of the water chiller, plug in the power plug, press the power switch to turn on the power, and the display will show the water temperature in the fish tank. Installation and use: The distance between the machine and the surrounding space should be more than 20cm to facilitate heat flow. Plug type: US plug, suitable for Canada, Mexico, Thailand, Taiwan, Philippines, etc. Color: Gray Material: ABS+Metal Packaging Contents: 1 x Electronic Water C Set 1 x US Plug Only the above packaging content is included, other products are not included. Note: Light and different monitors may cause the color of the item to be slightly different from the actual item. The measurement allowance is +/-1-3cm. ",