Features: The AHT21B High Precise Digital Temperature and Humidity Sensors Module offers exceptional accuracy with temperature precise of ±0.3℃ and humidity precise of ±2%RH, making it ideal for applications requiring strict environmental monitoring. Featuring wide input voltages ranges from DC2V to 5.5V and I2C communication interfaces, this sensors module is design for easy integration into various low power devices and systems. Perfect for DIY enthusiasts and beginners, the module's standard pin interfaces ensures seamlessly incorporation into electronic projects, offering user friendly experience. This compactly sensors is suitable for diverse applications such as weather stations, intelligent home products, and agricultural monitoring, where space and power efficiency is important. With its robusts antiinterference capabilities and rapid responses time, the AHT21B ensures stable performances in complex environment, providing reliable and accurate data for your projects. Specifications: Component:Plastic Size:Approx.12x12mm/0.47x0.47inch Thickness:100,1.5mm(Optional) Power Supply:DC2-5.5V Temperature Measuring Ranges:-40-+120℃ Humidity Measuring Ranges:0-100%RH Temperature Measuring Accuracy:±0.3℃, Humidity Measuring Accuracy:±2%RH Output: I2C Interfaces Package Includes: 1pc Temperature Humidity Sensors Module note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.