Fangrui Product Details Intelligent Thermostat, A Variety Of Fields Use, Convenient Operation And Practical Settings, Is Your Side Temperature Control Housekeeper. The Probe Is Waterproof And Allows To Control The Temperature Even Of Fluids, Allowing The Controlled Heated Or Cooling. Easy Operation, To Set Start Temperature, Stop Temperature, Temperature Correction, Delay Start. Small Size, Low Power Consumption, Fast Response. Widely Used In Hvac, Dehumidifier, Test And Test Equipment, Automobile, Automatic Control, Weather Station, Humidity Regulator And Other Related Temperature Detection And Control. Set The Starting Temperature: The Up Button Once To Display The Starting Temperature, Long The Up Button For About 3 Seconds, The Starting Temperature Number Flashes, And The Desired Temperature Value Can Be Set By The Up And Down Buttons. Set The Stop Temperature: The Down Button Once To Display The Stop Temperature, And Hold The Button For About 3 Seconds To Stop The Temperature Number Flashing, You Can Set The Desir