Advance microcontroller and firmware design, improved noise immunity. Simple and accurate Self Tuning. With fuzzy-logic-controller, derive the PID setting with a Self-Tuning run. Each Controller is programmed for the exact INPUT type (specified during order) before delivery. Simplified set up. Just perform a Self Tuning, and ready for operation. Modular firmware construction, improve manufacturing quality, easy to service and maintain. (example, Relay output module can be replaced, withoutaffecting the controller settings. ) Quick delivery, industrial product, provide technical support, after sales services, affordable. 12 months global warrantee against manufacturing defects. Can supply heater and sensor as a kit to meet your temperature controls needs