Features: Using SMD patch technology, high accuracy, stable performance. On-board MCU chip for more intelligent control. The module has been tested for stability, consistency and reliability. Wide temperature measuring range -50~110°C, error 0.1℃ only. When exceeding the measuring range, the temperature controller will force the relay to disconnect. Specification: Item Type: Digital Thermostat Temperature Sensor Type: NTC(10K 0.5%) waterproof sensor Display Type: 0.28inch 3-bit digital tube Temperature Range: -50~110°C Resolution: 0.1℃ (9.9~99.9℃), 1℃ (other) Temperature Control Mode: On/Off Temperature Control Accuracy: 0.1℃ High Temperature Protection: 0-110℃ Refresh Frequency: 0.55s Return Difference Accuracy: 0.1℃ Input Voltage: DC 12V Output: 10A One-Channel Relay Static Current: ≤35MA Suction Current ≤65MA Environmental Requirements: -10 ~ 60℃, 20%-85% RH Instructions: Long press SET for 5s to get menu, starts at P0, press +/- to get next P-parameter, press set to determine the P-parameter, press +/- to set the desired value for the selected parameter, press SET to accept it, long press +/- reset to default Indicator & Digital Tube Status Description: Indicator: Off - The relay is disconnected, ON - The relay is closed Digital Tube: Display LL - Sensor open circuit; Display HH - E xceed the measuring range, the temperature controller will force the relay to disconnect; Display ----- - High temperature protection Parameter Setting: Setting Comparison Table Code Code Description Setting Range Factory Setting P0 Refrigeration/Heating C/H C P1 Return Difference Setting 0.1-15 2 P2 Maximum Setting Limit 110 110 P3 Minimum Setting Limit -50 -50 P4 Temperature Correction -7.0~7.0℃ 0 P5 Delay Start Time 0-10min 0 P6 High Temperature Alarm 0-110℃ OFF Package List: 2 x Digital Thermostat Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .