The new OC-1 Temperature Controller is a complete, stand alone controller ready to use. Can be used for any kiln that has a 15A normal household plug on it. 2 year Warranty on the controller (excludes the thermocouple). Comes with guidance sheets so that the OC-1 controller can also run almost ANY size kiln -20A, 30A, 50A, etc. For example, for about $50 in parts, the OC-1 can run a 30A kiln. Parts are easily available on Amazon, Home Depot, etc. Some technical/electrical knowledge required. Holds 20 programs, all of which are user definable. 14 commonly used programs for the metal clay (PMC, Precious Metal Clay, Silver Art Clay), artistic glass (fusing, beadmaking) and enamel industries have already been programmed into the temp controller for your convenience. All of can be modified, changed or deleted by the user. 1: Jewelry scale fusing for soft glasses - 1500º F 2: Jewelry scale fire polish for soft glasses - 1275º F 3: Jewelry scale slumping for soft glasses - 1400º F 4: PMC Standard - High temp-1650º F 5: PMC Plus, PMC 3 and Silver Art Clay - High temp-1650º F 6: PMC Plus & Silver Art Clay - Middle temp-1650º F 7: PMC Plus & Silver Art Clay - Low temp-1450º F 8: PMC Plus & Silver Art Clay with glass - Low temp-1470º F 9: PMC 3 - Middle temp-1290º F 10: PMC 3 - Low temp-1200º F 11: PMC 3 - Lowest temp-1100º F 12: PMC 3 W glass - Middle temp-1290º F 13: PMC 3 W glass - Low temp-1200º F 14: PMC 3 W glass - Lowest temp-1100º F 15-20: Your own custom programs Plugs into a common household electrical outlet. Use as a programmable controller. Programs can be 1-32 steps. Manual. Use as a simple Set Point controller. Switchable between Fahrenheit and Celsius. Comes with a quick response Type K thermocouple. Other thermocouple types can also be used.