Easy to Use: This LED digital temperature controller module has 2 working modes, heating mode (starting temperature is lower than stopping temperature) and cooling mode (starting temperature is higher than stopping temperature). Digtal Display Desing: The digital display shows the measurement temperature and offers high accuracy of temperature measurement and control. Stable performance: Wide temperature control range from -50 C to 110 C. High temperature control precision of 0.1. Waterproof probe: Professionally designed and specially equipped with waterproof probe, it is excellent for convenient use and durable for long service life. Widely used: Widely used in breeding area, incubation, equipment case, air conditioning, temperature monitoring, cabinet cooling system and other areas.