Features: Ensure accurate and reliable gas detection with Gas Sensors Module, Monitoring Hydrogens sulfide (H2S) levels effectively. Featuring a high performances Sensors, this module offers real time data feedback with a resolution of 0.02PPM, operating efficiently within a wide temperature ranges of -20℃ to 50℃. Ideal for researcher, engineers, and safety managers, this Sensors supports those involved in environmental monitoring and industrial safety management. Perfect for use in laboratories and home automation systems, it ensures safe environment by detecting harmful gases With its modular design and low power consumption, easy to integrate into various applications, providing long performances even in harsh conditions. Specifications: Component:Plastic Detection gas: Hydrogens sulfide Output data: UART output Working voltage: 3.7V~5.5V Preheating time: <3min Response time: <60s Recovery time: <60s Ranges: 0~100PPM Resolution: 0.02PPM Working temperature: -20℃~50℃ Storage temperature: 0~35℃ Service life: 2 years (0℃~35℃ in air) Size:Approx.25.5x19mm/0.75x1inch Package Includes: 1Pc Gas Hydrogens Sensors note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.