WALMEC W1209 LED Digital Temperature Controller Board Control 12Vdc

W1209 DC Digital Temperature Controller Board:Input Voltage: DC 12V;Output: 10A One-Channel Relay;Type: Digital Thermostat
High Accuracy:W1209 Digital Temperature Controller with 3-Digit LED Display and Using SMD Patch Technology,High Accuracy, Stable Performance
Intelligent Control: W1209 Temperature Sensor Embedded CPU Chip (MCU), More Intelligent, Lower Power Consumption
Tested Multiple Times:The Module Has Been Tested for Stability, Consistency and Reliability. Wide Temperature Measuring Range -50~110°C, Control Precision: 0.1 Celsius
NTC10K Waterproof Probe:XH-W1209 Mini Temperature Controller Equipped with NTC10K Waterproof Probe which Allows to Control the Temperature Even of Fluids,Allowing the Controlled Heated or Cooling

How to use:  
Connect the power supply and the load, you can supply to the controller,  Is displayed as a measured temperature,  Press the SETbutton, the display flashes the temperature,  Press - to set the desired temperature,  After setting press SET to confirm return,  The controller automatically performs the relay by setting off!  Lights, LED status descriptions:  Indicator: Off The relay is switched off, Always indicate the relay is closed.  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.