Feature: 1. It is healthy and safe, avoiding pollution to the water environment. 2. Wide spread range which is ideal for aquarium, fish tank. 3. High waterproof performance ensures safety and reliability. 4. 360 degree rotation to adjust flow in any direction. 5. Minimum vibration with quiet operation. 6. Any problem, please contact our store without hesitation. Honor to serve you! 7. Minimum vibration with quiet operation 8. It is healthy and safe, avoiding pollution to the water environment 9. High waterproof performance ensures safety and reliability 10. Wide spread range which is ideal for aquarium, fish tank. Any problem, please contact our store without hesitation. Honor to serve you! 11. ? It is healthy and safe, avoiding pollution to the water environment. 12. ? Wide spread range which is ideal for aquarium, fish tank. 13. ? High waterproof performance ensures safety and reliability. 14. ? 360 degree rotation to adjust flow in any direction. 15. ? Minimum vibration with quiet operation. Specification: This pump wave maker allows a full 360 degree rotation to generate waves of water movement. This item can be used to improve oxygenation as well as to let your fishes, corals and other aquatics enjoy a vital and energetic circumstance. If you like it, get it will be your wise choice! Features: It is healthy and safe, avoiding pollution to the water environment. Wide spread range which is ideal for aquarium, fish tank. High waterproof performance ensures safety and reliability. 360 degree rotation to adjust flow in any direction. Minimum vibration with quiet operation. Any problem, please contact our store without hesitation. Honor to serve you! Specification: Name: Pump wave maker Material: Plastic Package Information: Package size: 13 * 18 * 5cm/ 5.12 * 7.09 * 1.97in Package weight: 53g Plastic Packaging Package List: 1* Pump wave maker 1* Some accessories Package List: 1* Pump wave maker 1* Some accessories