Fish Tank Living Room Small Mini Douyu Tank Household Tabletop Ecological Tank Self Circulating

White/Back Filter Fish Tank Size: 20X15X20.5cm Contains: White fish tank Water Pump Biochemical Cotton Thickened filter cotton * 1 Cable LED lights Black Back Filter Fish Tank Size: 20X15X20.5cm Contains: Black fish tank Water Pump Biochemical Cotton Thickened filter cotton * 1 Cable LED lights Backfilter Cycle Ecological Fish Tank Save a copy of "nature" by your side 1. No water change 2.USB Power 3. Back Filter 4.LED Lamp Beads 5. Light Adjustable 6. One Piece High Definition and Transparent Enjoying Natural Beauty The outer cylinder is formed with integrated technology, and the PC material is explosion-proof, wear-resistant, and has a light transmittance comparable to glass ultra white cylinders, enjoying an immersive panoramic view Silent Water Pump LED Fish Tank Light Creating a Beautiful Underwater World Three levels of lighting and one level of colorful lighting Mute button light adjustment Creating a Colorful Underwater World High Brightness and Transparency Light Brightness Display Low, medium, high brightness and dazzling colors can be selected according to needs USB Power Supply 5V Low Voltage 5V DC voltage, USB DC power supply system, comprehensive safety protection, not afraid of power outage risk Filter Circulation System Filter impurities and fish feces in the water,effectively reducing the frequency of water changes to avoid damaging the ecological environment inside the tank Top Opening Design More Convenient Feeding It is recommended to consume a small amount at once and finish it within 2 minutes