W1209 DC-12V LED Thermostat Temperature Control Switch Controller Thermometer
2,71 €
Model: W1209. LED: Shows LL is the sensor open, showing ?. HH is out of range, the thermostat will be forced to close the relay, the display --- as high temperature protection. Note : Relay output interface is a switch, when it working ,these two ports are connected.
Jetzt bei Ebay:
