Temperature measuring range: -55°C - and120°C Relay output contact capacity: heating: 10A /240V AC, cooling: 10A /240V AC This controller uses independent heating and cooling switch points to keep your environment within the ideal temperature range Controls both a heater and a cooling/refrigeration device.This controller can also be used to easily control a single heating or cooling unit WIDE RANGE OF USES: heating mat for seedlings, home brewing, beer brewing, aquarium heater, animal breeding, incubation, barbecue, fermentation, germination acceleration, electric heater, electric oven, heating mat, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.