Description
Two modes (High/Low) are designed to meet your demand. You can easily push the power button up to switch to the higher mode, left the power botton in the middle to shut down the device, and push the power botton down to make a lower mode switch.Flow rate up to 2L/Min is ideal for 10-30 gallon fish tanks. Noise ≤40DB ensures a quiet working and living environment and no worries to be disturbed during sleeping time.Built in battery works up to 40 hours under the lower mode, 34 hours under the high
