Easy to use: This digital LED temperature controller module has 2 working modes, a heating mode (the start temperature is lower than the stop temperature) and a cooling mode (the temperature start temperature is higher than the stop temperature). Digital display design: The digital display shows the measurement temperature, providing high precision in temperature measurement and control. Stable Performance: Wide temperature control range from -50 to 110. High temperature control accuracy of 0.1. Waterproof Probe: Professionally designed and specially equipped with waterproof probe, it is ideal for convenient use, durable for long service life. Widely used: widely used in hatching area, incubation, equipment box, air conditioning system, temperature control protection, cabinet cooling system and others domains.