... :1.16kg Features:1.All components(sensor,sircuit,pulse solenoid valve,thermostat and battery) are preset in tap body 2. Ware ... within the microcomputer treated signal is sent to pulse solenoid valve, solenoid valve signal received by the specified command to open the ... the range of the infrared sensor, solenoid valve not receiving signal, the solenoid valve spool through the internal spring reset to ...