[Low noise] Brushless motor with DC 5V power supply, the sound is less than 40dB, energy-saving and quiet, does not disturb the pet’s sleep. [ USB Powered] Easy to power via laptop, power bank, power adapter, USB outlet, etc., plug and play. [Long Lifespan]< /b>Made from premium plastic, IP68 waterproof, durable to use; easy to clean with a brush (not included, recommended every 2 weeks.) [Auto shut-off] Can automatically shut off the power when the water runs out, protecting the fountain from dry fire water without water. Specifications: Color: Blue & black Material: plastic Operating voltage: 5 V DC Load current: 280 mA Load power: 1.5 W Maximum lifting height: 50cm Maximum flow: 160L/H Outlet diameter: 10.5mm Continuous life: >10,000 hours Noise: ≤40dB Level Waterproof: IP68 Working temperature: 0-60°C/ 0-100°C LED indicator: Red: Low water level and power off warning Blue: Normal working Cable length: 150 cm (with DC5.5 * 2.1 plug) Product size: 4.3 * 4.3 * 2.8 cm/ 1.6 * 1.6 * 1, 1