DIGITEN G3/8" Quick Connect Water Flow Sensor Switch Flowmeter Counter 0.3-10L/min

Waterproof, heat resistance, pressure resistance, cold resistance. Easy to install. 
Frequency: F=21 * Q (L / Min) error: ± 2% voltage : 3-24VDC, 
current can not exceed 10mA, 450 output pulses/liters, 
F=constant * units of flow (L / min) * time (seconds) 
Working range:0.3-10L/min 
Working voltage range: DC 3-24 V 
Operating Temp:≤80℃,Operating humidity:35%-90%RH 
Pressure range: Water pressure 0.8 MPa below
Storage Temperature:-25-80℃ 
Storage humidity:25%-95%RH 
Output Waveform: Square Wave, output pulse signal. 
ROHS Compliant. 
Cable length:15cm. 
Wiring :Red---VCC(+)
Black---GND
Yellow----Signal

Packaging include 
G 3/8" Flowmeter x 1