Feature: 1. It is suitable for aquatic plant farming, crystal shrimp farming, jellyfish farming, coral farming, and ornamental fish farming. 2. Electronic refrigeration, electronic component technology, environmental protection, no emissions, no noise in refrigeration. 3. Refrigeration has low energy consumption and is durable. Simple operation and setting, convenient to use. 4. Real‑time monitoring of water temperature, automatic constant temperature, temperature display is obvious. 5. A variety of fields perfect use. Suitable for fresh water, aquatic tanks and sea water tanks. Specification: Item Type: Fish Tank Temperature Cooling System Material: ABS, Silicone, Metal Product Size: Length: Approx. 110mm / 4.3in Width: Approx. 112mm / 4.4in Height: Approx. 200mm / 7.9in Weight: Approx. 2438g / 86oz Power: 70-72W Fit: 8mm (Internal) Hose Water Chiller Is Suitable for Water Flow: 1-3L / min Suitable Lifting Height of the Chiller: Less Than 3m / 9.8ft Suitable Fish Tank Size for Chiller: 20L~30L Pump Power: 3W Head: 0.4-1.5m / 1.3-4.9ft Flow Rate: 200L/H. Package List: 1 x Chiller1 x Chiller Plug1 x Chiller Adapter1 x Water Pump1 x Water Pump Plug1 x Hose4 x Fixed Collar1 x Manual Note: Keep a distance of more than 10cm / 3.9in between the machine and the surrounding space to facilitate air circulation.The cooling effect of the product is 4‑7 degrees lower than the ambient temperature.