Item Name: HW-559 Digital Thermostat Smart Temperature Control Thermometer Module Newly. Smart TV Box Android Quad Core HDMI 1080P Wifi Streaming Media Player UK
HW-559 Digital Display Thermostat Relay Board Precision Intelligent Temperature Control Thermometer Module
Feature:
1. High temperature start-refrigeration mode: when the start temperature value is set> the stop temperature value, when the detected temperature the start temperature, the relay is closed and the refrigeration equipment works
When the detected temperature is less than or equal to the stop temperature, the relay is disconnected and the refrigeration equipment stops working.
For example: set the start temperature to 30C and the stop temperature to 25C. When the detected temperature value is greater than or equal to 30C, the relay is closed and the start indicator light (red) is on when the detected temperature value is less than or equal to 25C, the relay is disconnected and stops indicating The light (green) is on.
2. Low temperature start-heating mode: when setting the starting temperature value
