Features: *Alarm Output: Equipped with alarm relay output, this PID temperature controller allows you to connect it with a buzzer, providing AC250V 3A (Resistive load) ONNC functionality. *Supports 3 Wires Sensors: Whether you're using a 3 wires sensor or a 2 wires sensor, such as K type thermocouple and Cu500, this temperature controller supports both, ensuring compatibility and flexibility. *SSR Output: With a relay output designed for external SSR, this temperature controller requires the use of SSR or relay for optimal performance. A 40DA SSR is included in the package. *Digital Display ℃℉: This digital PID controller offers a convenient digital display, allowing you to easily switch between Centigrade and Fahrenheit readings for temperature monitoring. *2 Temp Displaying Windows: Real-time temperature and setpoint are simultaneously shown on the display, providing clear and accurate information for precise temperature control. Please note that the given description contains some irrelevant and incorrect information. I have modified it to conform to the given five-point description format. Specifications: *Part Name:Thermostat+Solid State Relay+Thermocouple *Material:stailness steel,abs plastic *Size:140*100*60mm *Color:black+silver Package Content: 1*Thermostat and 1*Solid State Relay and 1*Thermocouple Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Made of standard material, quality assurance and practicality. Perfect function, bring you a wonderful experience. Every customer is entitled to a 30-day refund or replacement for damage/quality issues. If you have any questions, please feel free to contact us and we will solve it for you. Rex-C100 Ssr Dn+Ssr-40Da+M6 British 1Mtemperature Controller And Thermocouple