Features: AM2305 digital temperature and humidity module with calibrated digital signal output. Digital module acquisition technology and temperature/humidity sensing technology ensure high reliability and excellent stability. Uses capacitive humidity sensing elements and standard digital single-bus output. Breathable and dustproof design for effective circuit board protection. Low power consumption, long transmission distance, and automatic calibration. Wide voltage support: DC 3.3 V to 5.5 V; fast response and strong interference resistance. Specifications: Material: PC plastic Cable length: approx. 70 cm Measurement range: Temperature: -40 °C to +80 °C Humidity: 0–99.9 %RH Accuracy (at 25 °C): Temperature: ±0.3 °C Humidity: ±2 %RH (10–90 %RH) Resolution: Temperature: 0.1 °C Humidity: 0.1 %RH Long-term drift: Temperature: <1 °C/year Humidity: <1 %RH/year Sensor type: High-precision integrated temperature and humidity sensor Operating temperature: -40 °C to +80 °C Power supply: DC 3.3 V to 5.5 V Package includes: 1 x AM2305B Temperature and Humidity Transmitter Note: Please allow for a 1–2 cm measurement tolerance due to manual measurement. Slight color variations may occur due to differences in display resolution.