2 Working modes: this digital LED temperature controller module has 2 working modes, heating mode (start temperature is lower than stop temperature) and cooling mode (start temperature is higher than stop temperature), range from -50°C to 110°C; The high temperature control accuracy reaches 0.1℃ Stable and reliable: the LED indicator light can display the current output status; The digital display tube can display the measured temperature, and the temperature measurement and control accuracy is high Durable material: this XH-W3001 digital thermostat switch is made of plastic, which is non-toxic, strong impact resistance, heat and low temperature resistance Waterproof probe: equipped with a 1-meter NTC10K probe, which is waterproof and not easy to rust, easy to use and can last for a long time Suitable for: the temperature controller module can be widely applied in the conditioning systems, incubators, equipment cases, temperature control protection and others size:60x45x30mm Material:plastic colour:Photo Color Package Contents: 8 x Temperature Controller