Specifications: Using premium transparent acrylic material, it is non-toxic and safe for fish. This fish tank has two separated board inside, the tank can be divided into three parts to hold fish. The top cover of the tank has 3 white LED lights and 3 blue LED lights, which are adjustable. Separated board can be removed to change it into a large fish tank. There is an air pump filter inlet for you to connect the air pump hose. Its bottom valve can be used to change water in the fish tank. It can be used for cultivating the fry, separating the sick fish, protecting the fry and small fish. Luminous non-toxic imitation plants can absorb the light in day and has beautiful luminous effect in night. This mini fish tank is suitable for different types of small tropical fishes, goldfish, betta fish and other small fish species. Item Name: Fish Tank Material: Acrylic Battery: 4 x AAA Batteries(Not Included) Features: Multifunctional, Luminous Effect, Practical, Non-toxic Type A Size: 27.5cm x 9cm x 17.5cm/10.83" x 3.54" x 6.89" (Approx.) Type B Size: 27.5cm x 9cm x 17.5cm/10.83" x 3.54" x 6.89" (Approx.) Type C Size: 19.5cm x 9cm x 13.5cm/7.68" x 3.54" x 5.31" (Approx.) Type D Size: 10.6cm x 7.6cm x 13.5cm/4.17" x 2.99" x 5.31" (Approx.) Notes: 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. Package Includes: 1 x Mini Fish Tank 2 x Imitation Water Plants 1 x Gravel Using premium transparent acrylic material, it is non-toxic and safe for fish. This fish tank has two separated board inside, the tank can be divided into three parts to hold fish. The top cover of the tank has 3 white LED lights and 3 blue LED lights, which are adjustable. Separated board can be removed to change it into a large fish tank. There is an air pump filter inlet for you to connect the air pump hose.