New G1/2" Water Flow Controller LCD Display and Solenoid Valve Gauge and Flow Sensor Meter Counter Indicator features 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: DC24V8V/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 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.