About this item Fast Cooling–The water chiller has a power of 200W, adopts powerful semiconductor electronic refrigeration components and stable structure, has excellent refrigeration capacity, can reduce the water temperature in a short time, and vibrates less. High-quality Material–This aquarium water chiller is made of sheet metal and baked with a baking process, which is robust and durable, heat-resistant, impact-resistant, abrasion-resistant, and has a long service life. Automatic TemperatureAdjustment–It uses a 6.56ft temperature probe wire, which can effectively monitor and cool the water temperature in real time, achieve automatic constant temperature, and provide a stable living environment for aquatic life. Convenient to Use–It features convenient buttons, red switches, and is ready to use in no time. The clear digital valve code display shows the temperature (50-104°F) in real-time, allowing you to easily view and adjust at the touch of a button. Safe and Reliable–This aquarium water chiller has a built-in compressorless cooling fan and is ventilated on three sides to keep safety and extend service life.