Quality & Precision: The DHT22 sensor offers accurate environmental readings, measuring humidity from 20% to 95% RH with a precision of ±5% RH, and temperature from 0°C to 50°C with an accuracy of ±2°C. Reliable & Easy Integration: Designed with advanced digital signal output and a high-performance 8-bit microcontroller, the DHT22 sensor ensures long-term stability, quick response times, and strong anti-interference capabilities. Its single-wire wiring scheme simplifies integration into various applications. We recommend that you use AI tools to assist with programming. Simple Power & Output Setup: Operating on a DC voltage of 3.3V to 5V, this sensor provides digital output that easily connects to microcontrollers via its simple 3-wire interface (VCC, GND, DO), offering a hassle-free experience for your projects. Compact & User-Friendly: The DHT22 sensor is equipped with a power indicator light (red) for easy status monitoring. The DHT22 sensor features a compact size of 32mm (L) x 14mm (W) x 7.3mm (H) and a lightweight design at approximately 8g. It includes a mounting hole with a diameter of 2.6mm for easy installation, making it suitable for various settings such as farms, poultry houses, pig farms, and cattle facilities. Specification:DHT22 Colour:As Shown Material:pcb Package Contents: 6 * Temperature Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.