2-in-1 USB water pump & mist maker can add a stunning mist effect to your pond, simultaneously achieving water flow circulation, rockery or fish tank to filter the bad smell with electro and ultrasonic technology. for indoor fountains, water feature, and office use. s for use it in your pond, rockery, fishtank, vase, birdbath, etc, then it create a magical atmosphere. Easy to operate, put in the water and the voltage is 5V, then the mist appears. No heat or chemicals used. There's a USB interface, it be more convenience to use, but it don't come with power plug. [Water Shortage Protection]Water level sensor. Long service life, effectively prevent dry burning. [Mute and energy saving]Mute working and very low energy. Recommended water depth: 3-6cm. 2-in-1 Water pump & Mist maker with 4 LED Power:5W Current: 100mA Water pump flow rate:120L/H Lift: 50cm Water temperature: +5℃-40℃ Color:White Cord length: 140cm Material:plastic Package Contents: 2 x 2-in-1 USB water pump & mist maker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.