The latest official update—— C300! Small Aquarium for the lazy with self-filtration and oxygen system! Mini underwater world on desktop！ This product comes from the independent manufacturer of the brand "HUAFAJIHE", which cooperates with the official Xiaomi, and all its products have been listed in the official centrum of the Xiaomi trade. We are the official representative of the company "HUAFAJIHE", authorized by it to sell exclusively on the Polish market. What are the advantages of C300 over bulky aquariums on the market? Includes all the features of an aquarium in the smallest unit that is portable and compact without taking up space With its automatic design, it's perfect for beginners in fish farming, won't cost too much effort and time, and is even suitable for children Reasonable layered design, the top layer can grow plants, and the bottom layer can grow fish With automatic filtration and automatic oxygen generation system Operating noise is very low, only 36DB Equipped with switchable 7-color lights that fit perfectly into your aquarium landscape Removable compartment that can be divided into 2 places to grow 2 types of fish Made of PMMA ABS material, the aquarium is clearly visible at 360 Supplied with electronic product manual in Polish In the upper layer grow plants, in the lower fish, combining movement and static, which is lively and more ornamental! DIY hand landscape design is all the fun of fish farming! You can combine your own preferences and style of home, you can freely design the style of green rainforest, blue ocean style, psychedelic purple style, aquarium lighting system can maximize your style! The aquarium is made of PMMA material, which is clear and bright, can be viewed at 360, does not take up space and is easy to carry! With a USB charging cable, you can connect power anywhere, anytime, conveniently and simply! Built-in oxygen pump to increase the oxygen content of the water reservoir, promote the flow of the water reservoir and create an environment closer to nature for fish！ The detachable partition design creates multiple spaces in the aquarium to prevent various fish from attacking, which is convenient for feeding the partition, and it can also be combined into one to expand the space for fish activities! Its working noise is only 36 decibels, even if it is placed in the bedroom, it will not affect sleep at all. We have prepared electronic instructions for you in Polish. Please check the column (additional information) on this page for electronic instructions. The bottom of the aquarium is equipped with a high-efficiency filter system. The top cotton filter and bottom filter stone can effectively filter impurities and make the water cleaner ！ Suggestions: 1. Suggested number of fish: 3-5 small fish, length of fish 3-4cm Or: 1-2 large fish with a length of 7-10 cm 2. Polyculture of many fish is not recommended 3. Water change cycle: It is recommended to replace 1/3 to 1/5 of water every week The frequency of water change can be adjusted to the current situation, if the temperature is too high, more frequent water change is recommended. 4. Feeding: Each feeding should be controlled in about 3 minutes. Feed less, but often and do not serve in large quantities. In the case of overfeeding, uneaten fish food will dissolve in water, accelerate the decomposition of organic matter, cause turbidity of water and deterioration of its quality. Technical parameters: Rated Power: 5 W Size: 203*102*254mm Color: Grey Green Material: PMMA ABS Weight: 1.5 KG Capacity: 1,5 l Lighting: switchable 7 colors Energy consumption: 1 kWh can be used for 15 days Rated Voltage: 5V Filter Cotton: Upgrade to Black Biochemical Cotton Akcesoria: aquarium * 1, pot * 1, pot holder * 1, filter set * 1, USB charging cable * 1, partition * 1, manual * 1 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.