Smart Acrylic Aquaponics Aquarium,Goldfish Bowl Self-cleaning Fish Tank With Filter And LED Light And With Plants On The Fish Bowl Top You can plant flowers and fish at the same time,fish and flowers grow together It does not require watering the flowers.You do not need to change the water as frequently as general fish tank.In order to keep a good growing environment, please change water every 3 months. It will be a led light at the night Universal USB 5V power;Product size: 6.29*6.29* 11.92inch /16*16*30.3cm You can watch the Install and using video on the below customer reviews of this fish tank