2 year warranty This product is CE marked and UL/cUL approved. Performance Features: Microprocessor maintains consistent and repeatable temperature settings from 5°C (if ambient temperature is 0°C or lower) up to 550°C. Digital LED temperature display is adjustable in 5°C increments and blinks until set temperature is reached. Optional external temperature controller (Cat. No. 6795PR) truly controls temperature inside the vessel.