【What will receive】: you will get 4 pieces of DC 12V 200 mA temperature controllers, the measurement temperature is from -50 to 110℃(-58 to 230℉)
the control and backlash precision: is 0.1 Celsius, the refresh rate: is 0.5 s, the module size: 48 x 29 x 32 mm/ 1.89 x 1.14 x 1.26 inch
【Dual color LED display】: this digital thermostat control module of dual a color LED display, which shows the measured temperature (red) and set temperature (blue) at the same time,
which can be applied for cooling/ heating mode, you can test indoor or outdoor temperature
【Waterproof design】: the NTC (10K 0.5%) probe is waterproof, and you can control the temperature at will, can also control heating or cooling according to different needs
12V Electronic Temperature Controller Programmable -50 to 110 Degree Celsius Heating/Cooling Thermostat Control Switch Module NTC Waterproof Sensor Probe Dual Color LED Display Monitor (4 Pcs)