Purchased used and used in a saltwater aquarium for about 1 year and a half. As shown in the photos, operation has been confirmed. This photo was taken with freshwater in a 20-liter bucket, which also served as cleaning. Everything shown in the second photo is included. Please note that the bucket, clock, and blue hose are not included. The area marked with a red circle in the 11th photo has a broken claw and is missing. Please consider before buying, if you are particular about product condition. Also, please understand that we do not accept returns or exchanges to prevent fraud. Product Description Compact yet powerful cooling! Zensui Aquarium Cooler ZR-mini ~180 liters Suitable for both freshwater and saltwater Features ● The most compact size in the industry with a compressor system. You won't have trouble with installation space. ● With amazing cooling power, it supports up to 180 liters, which is sufficient for a 60cm aquarium. (Set at 25℃, excluding heat loss) ● We are particular about design, and it is a sophisticated new design. It will also match your room's interior. Quantity: 1 unit Specifications ●Power supply: AC100V 50/60Hz ● Current consumption: 2.2A ●Power consumption: 140〜160W ● Compressor output: 75W ● Fan thermo output: 8W ●Calories: 180/220 Kcal/h ●Temperature control: IC electronic control ●Heater: Within 100V/300W Refrigerant: R-134a (HFC-134a) ● Piping connection: Dedicated fittings for mini hoses (Small: 13mm Large: 16mm) ● Circulation water volume: 10-30 liters per minute (600-1,800 liters per hour) ●Temperature setting range: 4℃〜40℃ ●Ambient temperature range: Within 35℃ ● Fuse: 10A Other major items ●Pump: Requires separate purchase. ●Compatible hose diameter: 12/16, 16/22 ● Water volume (standard use): 180 liters or less (when cooling to 25 degrees at an ambient temperature of 35 degrees) ●Size (approximate): Width 22 x Depth 26 x Height 40 cm Weight (approx.) 8kg How to use ● After installing the cooler, operate the circulation pump and plug in the power cord. ● Sets the cooler temperature. ●After setting, it returns to the current temperature display in a few seconds. The temperature setting range is 4-40℃ and can be set in 1℃ increments. Thank you for your consideration.