Features:

Can select cooling or heating working mode
Hysteresis setting, for example, environment temp is 30℃, the setting temp is 25℃, the hysteresis setting temp is 2℃, when cooling reach to 23℃, relay off and cooler off, then temp go up to 25℃, the relay on and cooler start
Set highest / lowest upper limit temp to avoid accident
Temperature calibration, you can calibrate temp according to requirement
Temp (after) = temp (before) + correction value
Turn on/ off button tone
Delay start to protect your device
High temp alarm, when measure temp reach to the setting temp, controller will alarm
Restore factory settings, when the setting value is confusion, please restore factory settings

Specifications:

Control temp range: -50 to 120℃
Power requirement: DC/AC 12V
Resolution: 0.1℃
Measuring input: NTC(10k 0.5%) waterproof sensor 0.3m
Relay output: 1 channel
Rated current: 10A
Control accuracy: 0.1℃
Hysteresis accuracy: 0.1℃
Refresh time: 0.5s
Power consumption: Static current<=35MA, attract current: <=65MA
Display type: 0.28" 3 digits display tube
Environmental requirement: -10 to 60℃, humidity: 20-85%
Size: Approx. 10cm x 4.5cm x 2.5cm

How to use:

Connect DC/ AC12V power and the load
Setting the desires temp:
1. Press the SET button, the LED flash the temperature
2. Press +- button to change the temperature value
3. Press SET to save and exit after setting successfully, or no operation 10s, temp save and exit

Select code (woring mode):

Long press SET button about 5s, will enter setting mode.press ENT button to save and exit. Long press ENT button to power off
1. Select code P0:long press SET button 5s, the led display P0, then press SET button.set cooling or heating mode
2. Select code P1…P8: long press SET button 5s, the led display P0, then press +- button to change working mode
3. Press SET to save and exit after setting successfully. or no operation 10s the value will be saved and exit

Package includes:

1 x Digital Thermostat Temperature Alarm Controller
1 x User manual