Fangrui Product Details Precision Control: Equipped With Advanced Dual Display Technology, This Intelligent Digital Thermostat Promptly Maintains The Ambient Temperature And Humidity Within Your Equipment. Experience Superior Accuracy Witha Measuring Range Of -20c To +80c For Temperature And To Rh For Humidity. Versatile Application: Designed For High Power Applications, The Stc-3028 Controller Excels In Environments Such As Incubators, Brooders, Refrigerators, Fermenters, And Greenhouses. Its Robust Relay Output Supports Up To 10a Ac110-220v, Making It A Wide Range Of Agricultural And Industrial Needs. High-quality Construction: Encased In A Abs Flame Retardant Plastic Shell, This Temperature And Humidity Controller Ensures Long-lasting Reliability And Safety. The Robust Design Protects The Intricate Components From Environmental Factors, Prolonging The Devices Lifespan. Accurate Sensing Technology: Achieve Up To 1f Accuracy As This Reliable Device Closely Monitors And Adjusts To Even The Slightest Changes