LED indicator light: shows the current output status; Digital display tube: displays the measured temperature, high accuracy of temperature measurement and control. Two working modes: heating (starting temperature is below the stop temperature), cooling (starting temperature is above the stop temperature). Range from -50 to 110. High temperature control accuracy of 0.1. High Safety The flame retardant ABS housing is avirulent and environmentally friendly. High safety, anti-aging, sturdy and durable. With a built-in transformer, our thermostat is more stable. And compared to other products without a transformer, it is more difficult to burn out. Waterproof probe: equipped with a 1 meter long stainless steel NTC10K probe, which is waterproof and not easy to rust, easy to use and durable Applications Widely used in incubation, equipment housing, air conditioning, temperature control protection, cabinet cooling system and other fields.