Technical parameters.

Working voltage: 5VDC

Operating current: less than 10mA

Operating temperature: -25 ℃ ~ 70 ℃ (not frozen)

Replenish water flow: 1 bar, more than 5L / min

Flow rate: F1=8.1Q-3

F2 = 13Q-6.5 (F is the frequency HZ, Q is the flow L / min)