New G1/2" Water Flow Controller LCD Display + Solenoid Valve Gauge + Flow Sensor Meter Counter Indicator features 100% Easy to install,size is small. Can connect to flow sensor,temperature sensor,solenoid valve.monitor gases,liquid flow.quantitative flow control,total flow alarm. Monitor real-time flow rate. Display temperature of the liquid.need to extra add temp sensor. Control quantitative flow.when flow reach to the presetting flow,system will output signal to solenoid valve(ON/OFF). Monitor total flow,total flow alarm. Password can protect setting value. When flowmeter is working,faucet dynamic display. specifications: Working volt: DC24V±8V/1A Flow range:1-30L/min LCD size:3”,built-in backlight. Viewing Angle:0-120 degree. Solenoid valves working voltage:DC12V/0.3-0.5A(NC) Controller case size:103x77x35mm,Controller cutout size:98x73mm. come with LCD flow display controller x 1 G1/2" flowmeter x 1 G1/2" solenoid valve x 1