[Features] 2 operating modes: This digital LED temperature controller module has 2 operating modes, heating mode (starting temperature is lower than the stop temperature) and cooling mode (starting temperature is higher than the stop temperature), ranging from -50C to 120C; The high temperature control accuracy reaches 0.1 Waterproof probe: Equipped with a 1 meter NTC10K probe made of stainless steel, waterproof and not easy to rust, easy to use, and can be used for a long time Durable material: This XH-W3230 digital thermostatic switch is made of ABS and is one of the five main synthetic resins with non-toxic, impact, heat and low temperature properties Application: The temperature controller module can be widely used in regulating systems, incubators, equipment enclosures, temperature control protection, etc [product information] Product name:Micro temperature control board Color:black Size:79*43*26mm Packing list (you can get after purchasing one item): Micro temperature control board*1 Please understand: 1. Due to the long shipping time, the item may be damaged during the shipping process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Colors may vary from monitor to monitor.