Item Type: Air Quality Sensor module <br>Supply Voltage: 5V <br>Response Speed: <5S <br>Operating Temperature: -10℃ ~ 60℃ <br>Operating Humidity: 90% RH <br>Product Size: Approx. 15 x 25mm / 0.59 x 0.98in<br>1、COMPOSED COMPONENTS: The sensor is composed of metal oxide semiconductor gas sensitive layer and heater as the main components <br>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 <br>3、ACCURATE AND SENSITIVE: Highly sensitive to hydrogen and carbon monoxide pollution gases in smoke, very paractical <br>4、TECHNICAL PARAMETERS: Power supply voltage for 5V, response speed &lt;5S, working temperature from -10 degrees Celsius ~ 60 degrees Celsius, working humidity 90% RH <br>5、RELIABLE PCB: Adopt excellent PCB materials, with reliability and miniaturization, good maintenance and interchangeability<p>1 x Sensor</p><p>1 x Pin Header</p>