Feature:

Prodcut name: W1209 DC 12V Red Digital Temperature Controller Board.
Temperature Control mode: ON / OFF.
Temperature Range :-50℃ ~ 110 ℃.
Resolution: When temperature is 0.1 ℃, the resolution is -9.9~99.9, other temperature segment is 1 ℃.
Control Accuracy: 0.1 ℃.
Hysteresis Accuracy: 0.1 ℃
Size:49mmx40mmX14.9mm/1.92''x1.57'' x 0.59".
Refresh Rate: 0.5s.
High Temperature Protection: 0 - 110 ℃.
Supply Voltage: DC 12V.
Static Current: Measurement Input: NTC (10K 0.5%) Waterproof Sensor.
Environmental Requirements:
-10 - 60 ℃;Humidity 20% - 85%;
Thermostat output:1 channel 10A relay;

Instructions:
Connect the power supply and equipment, the measuring temperature is displayed;
Press "SET" button, press "+" or "-" to set temperature (long press to quickly incrsease or decrease);
Press "SET" to confirm the setting and return,
Controller automatically performs the relay ON/OFF.

LED Indicator:
LED off indicates relay off;
LED on indicates relay closed;

Digital LED Tubes:
"LL" indicates sensor open;
"HH" indicates overrange,relay will be forcibly disconnected;
"---" indicates high temperature alarm;

Long press "SET" button to enter the main menu settings,
Press "+" or "-" to switching between P0-P6,
Then long press "SET" or 10 seconds without keystrokes to confirm the setting and return.

Package Included:
3 X W1209 DC 12V Red Digital Temperature Controller Board -50℃ ~ 110 ℃