Features • Advanced Composition: Features a metal oxide semiconductor gas sensitive layer and heater for precise hazardous gas detection • Enhanced Conductivity: Increases conductivity with gas concentration, providing accurate output signals for effective monitoring • Exceptional Sensitivity: Highly responsive to hydrogen and carbon monoxide, ensuring reliable detection of harmful pollutants • Versatile Technical Specs: Operates at 5V power supply, with a response time under 5 seconds and a wide temperature range from -10°C to 60°C • Durable and Reliable Design: Constructed with high-quality PCB materials for enhanced reliability, miniaturization, and easy maintenance Features: 1、COMPOSED COMPONENTS: The sensor is composed of metal oxide semiconductor gas sensitive layer and heater as the main components 2、HIGH CONDUCTIVITY: In the gas test environment, the conductivity of the sensor increases with the increase of the gas concentration, and the internal circuit can convert the change of conductivity into the output signal corresponding to the gas concentration 3、ACCURATE AND SENSITIVE: Highly sensitive to hydrogen and carbon monoxide pollution gases in smoke, very paractical 4、TECHNICAL PARAMETERS: Power supply voltage for 5V, response speed <5S, working temperature from -10 degrees Celsius ~ 60 degrees Celsius, working humidity 90% RH 5、RELIABLE PCB: Adopt excellent PCB materials, with reliability and miniaturization, good maintenance and interchangeability Specification: Item Type: Air Quality Sensor module Supply Voltage: 5V Response Speed: between5S Operating Temperature: -10℃ ~ 60℃ Operating Humidity: 90% RH Product Size: Approx. 15 x 25mm / 0.59 x 0.98in Package List: 1 x Sensor 1 x Pin Header Package List 1 x Sensor 1 x Pin Header