This article is a professional digital temperature controller, equipped with a wide range of temperature measurement and control areas and equipped with a large and clear LCD display for better readability. Steam cookers, industrial equipment and other temperature controlled systems Features: -Switch the mode between cooling and heating -Control the temperature by setting the temperature adjustment and the differential value Temperature calibration Cold-regulating outlet protection -Alarm if the temperature exceeds the temperature limit or if the sensor is faulty Specifications: Temperature measurement range: -50 + 90 -Resolution: 0,1 C -Precision: 1 C (-50 ~ 70 C) -Sensor error delay: 1 minute Power supply: 220V Power consumption: less than 3W -Storage temperature: -30 ~ 75 C Relative humidity: 20% ~85% (no condensate) Sensor: NTC-Sensor (1PC) Sensor length: 1,0 m Product size: 85x70x35mm Maximum current: 10A Maximum power: 100W Package includes: Mini Digital Temperature Control Thermostat Aquarium Note: 1. Due to the different colours of the computer display, the colour may differ slightly from the above pictures. Thank you for your understanding 2. Manually measured, please allow 2-4mm error Three. You have questions, do not hesitate to contact us, we will answer as soon as possible and help you with the solution About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.