1. Dimensions: 24 * 10 * 19 cm 2. Material: Acrylic 3. Power supply: 3 AA batteries (not included) / USB 5V 4. Quantity: 1 set 5. Packaging list: - 1 x Fish tank - 1 x USB data cable - 1 x Bag of small pebbles - 1 x Artificial aquatic plant - 1 x Manual 6. It is made of high - quality plastic materials, which are safe and durable. 7. It uses an LCD digital display, allowing you to clearly see the time, date, and temperature. 8. It has elegant colors and a fashionable design, making it a great decoration. 9. It features a colored LED light design, providing excellent lighting for the fish tank. 10. It is equipped with a multi - functional pen holder, which can be used to store small items such as keys and pens, or to grow aquatic plants. It can also play music for you.