Features: The SHT40 sensors offering relative humidity accuracy up to ±1.8% relative humidity and temperature accuracy of ±0.2°C, making it suitable for applications requiring precise environmental monitoring. Featuring digital output, it eliminates the need for complex analog circuits, simplifying systems design and enhancing reliability. Supports advanced communication, compatibles various microcontrollers for easy data acquisition and processing. Supports both 3.3V and 5V power supply, suitable for different development platforms and circuit design requirements. Compact module design saves space, facilitating integration into various small devices, ideal for environmental monitoring, and other fields. Widely applicable in smart home systems, weather monitoring, industrial automation, and agricultural temperature/humidity monitoring. Specifications: [Component]: PCB [Product size]: 2x1.1cm [Product weight]: 5gram [Working voltages]: DC3.3V/5V [Humidity measurement ranges]: 0~100% relative humidity [Relative humidity accuracy]: ±1.8% relative humidity [Temperature measurement ranges]: -40~+125℃ [Relative temperature accuracy]: ±0.2°C [Temperature response time]: 2s [Humidity response time]: 4s [ rate]: 9600 [Data bits]: 8 bits Package Includes: 1/2Set Temperature and humidity sensors module with pin header note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution