1. Compatibility: It is compatible with round and square flower - cap style pet fountains available on the market. 2. Technical features: It adopts a unique motor technology and runs relatively quietly (below 40dB), with a direct current of 5V - 1.5W. 3. Energy consumption and lifespan: It has relatively low power consumption and can operate stably for a relatively long time. 4. Power cord: It is equipped with a 6 - foot power cord, and the length is sufficient for daily use. 5. Material and cleaning: It is made of BPA - free materials and is easy to install and clean. 6. Power supply method: It uses a USB plug and can be connected to devices such as mobile power sources and computers. 7. Color: Blue + Black 8. Material: ABS 9. Package contents: - 1 pet fountain pump - 1 brush 10. Precautions: - Due to differences in light and monitors, the color of the items in the picture may vary slightly from the actual product. - The allowable measurement error is ±1 - 3 cm.