Feature: 1. [Efficient And Stable] Aquarium chiller built in energy efficient compressor, automatic temperature control cycle refrigeration heating technology, rapid and stable. 2. [Low Noise] This aquarium water chiller is equipped with a silent fan, running sound no higher than 35 to 45dB, like a small refrigerator as quiet, will not affect your rest. 3. [Environmental Protection] Fish tank water chiller using for R134a compressor without refrigerant, high environmental protection, no pollution emissions. 4. [Widely Applicable] Professional fish tank chiller, widely used in freshwater tank, water grass tank, seawater tank, for jellyfish, coral, ornamental fish breeding. 5. [Energy Saving] Aquarium cooling heating machine, low energy consumption, safe and durable. Simple and convenient to set up, very suitable for fish tank below 20L. Specification: Item Type: Aquarium Chiller Material: ABS, Silicone, Metal Chiller Size: Approx. 11.5 x 11.5 x 20cm / 4.5 x 4.5 x 7.9in Temperature Control Probe Wire Length: Approx. 185cm/72.8in Power: 70W Suitable for: 8mm/0.31in (Internal) Hose Suitable for Water Flow: 1-3L/min Suitable Lifting Height: Less than 3 meters/9.8ft Suitable Fish Tank Size: Less than 20L Fish Tank Use Suitable for Freshwater Tank, Water Grass Tank, Seawater Tank. Package List: 1 x Aquarium Chiller1 x Chiller Plug1 x Chiller Adapter1 x Water Pump1 x Water Pump Plug1 x Hose4 x Fixing Ring1 x Manual Note: 1. Machine and the surrounding space to maintain a distance of more than 10cm/3.9in, in order to facilitate air circulation.2. Manual measurement, please allow some errors.