Description: 【Advanced Embedded MCU Chip】: This 220V digital temperature controller is equipped with an embedded central processing unit (MCU) chip, offering enhanced intelligence and reduced power consumption for efficient performance 【Automatic Memory Retention】: Features built-in EEPROM storage within the MCU, allowing the device to automatically remember settings even after a power outage, ensuring seamless handling 【High Precision Control】: Achieve temperature management with a control accuracy of 0.1°C, making it ideal for applications requiring exact temperature regulation 【Adjustable Hysteresis Settings】: The controller allows for hysteresis settings starting from 0.1°C up to 15.0°C, providing flexibility in maintaining desired temperature ranges with decimal precision 【PC Material Construction】: Constructed from robust polycarbonate (PC) material, this compact device measures 48.5mm by 40.1mm, ensuring durability and reliability in various environments Specification: Material: PCB Input: DC220V Temperature control range:-50-110°C Temperature measurement accuracy: 0.1°C Return Difference accuracy: 0.1°C Size Chart: 4.85cmx4.01cm/1.91inchx1.58inch Package Includes: 1x Temperature Controller Module Note: Please allow slightly errors 1-2cm differences due to manual measurement.