Note :Relayoutputinterface is aswitch,whenit working ,thesetwoportsare connected,
Ifnot work,these twoportsarenotconnected. Pls know it . !!!!!

Specifications:

Temperature range :-50-110 ℃
Dimensions: 48.5 * 40mm
Temperature control mode: ON / OFF
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℃
Refresh rate: 0.5S
High temperature protection： 0-110℃
Supply voltage: DC 12V
Static current: ≤ 35MA, attract current ≤ 65MA
Output voltage: DC 12V
Output power: 20A relay
Measurement input: NTC (10K 0.5%) Waterproof Sensor
Color of the LED:Blue

Environmental requirements: -10 ~ 60 ℃ ，Humidity 20% -85%

How to use:
Connect the power supply and the load, you can supply to the controller,
Is displayed as a measured temperature,
Press the SET button, 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.

Package Included:

1 x DC 12V -50-110°C W1209 Digital Thermostat Temperature Control Switch Sensor Blue