Features:1. Made of ABS thickening engineering plastics, super silent aquarium air pump. 2. You can use the one air stones separately in tanks. The outlet hole is big enough to allow steady air seep in.3. Unique Mini design to fit any places, while the compact size is lightweight and portable. But it can still provide powerful airflow for your aquarium.4. Circulate and aerate the water, making it more attractive to your fish or turtles. 5. The submersible pump suitable for aquarium, Fish tank, Pond fountains, water gardens and hydroponic systems. Notice:*Actual color may be slightly different from the image due to different monitor and light effect*Please allow 1-3cm deviation due to manual measurementDescription:Size: As the picture shownBattery: 1 x 1.5v Battery (not included)