PID Temperature Controller Kit, 100-240 VAC Voltage with 40DA Solid Sta
1×Solid State Relay 40DA. ♥【℉ and ℃ Adjustable】Fahrenheit and Celsius adjustable, default is Fahrenheit, with PID function. High quality PV shell, with anti-corrosion, acid and alkali resistance, as well as anti-UV, anti-aging function.