1MULTIPLE MODES: This is a digital display controller, you can choose manual mode or timing mode to control the operation of fan, control the output signal to directly control the start of fan and wind speed 2WIDE APPLICATION: Widely used in residential, shopping malls and industrial places, can effectively improve air quality, create a healthy and comfortable working and living environment, energy saving and environmental protection 3CLEAR AND EASY TO READ: Large LCD screen can clearly display data, easy to read data, simple to use and practical 4RELIABLE AND INTERFERENCE RESISTANT: High reliability chip, strong interference resistant ability, high reliability 5TECHNICAL PARAMETERS: The voltage is 180260v, the temperature sensing component adopts NTC thermistor, self consumption power is less than 1w, load power is less than 300w