Enhanced Sensitivity and Accuracy: The MQ138 sensor module is engineered for precise detection of various harmful gases, making it an essential tool for environmental monitoring and industrial safety applications. Easy Integration and Operation: Designed with user convenience in mind, the MQ138 module can be easily integrated into existing systems with minimal setup required, facilitating seamless operation and real-time monitoring. and Reliable: Built to last, the MQ138 sensor module boasts a robust construction that withstands harsh environments and ensures long-term reliability and performance stability., Weight: 0.0220462262 pounds, Manufacturer: Aisuoka