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 and 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 percent -85 percent (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