High precision olfactory detection: using advanced sensing technology to accurately detect various odors and gas concentrations. With fast response time and high stability, it ensures reliable data for industrial, commercial, and environmental monitoring applications. Digital output and easy integration: This odor sensor module is equipped with a UART/I2C digital interface and a ready to use connector, which can seamlessly connect with Arduino, ESP32, and other IoT development boards. No need for complex signal conversion, simplifying your project setup. Multi functional gas detection applications: very suitable for air quality monitoring, smart home safety systems, industrial VOC detection, and laboratory experiments. It can identify common harmful gases and odors, providing warnings for potential hazards. Durable and stable design: The sensor module adopts components and a compact PCB shape, with a long service life and resistance to environmental interference. Its sturdy structure ensures stable performance under various operating conditions. Widely compatible and user-friendly: Supports mainstream IoT ecosystems and is compatible with most development platforms. Featuring clear pins and installation instructions, suitable for both amateur enthusiasts and professional engineers. Color: Black Material: PCB Package Contents: 1 * Olfactory Sensor Module 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.