This MQ4 - Methane Gas sensor module can sense the presence of compressed Natural Gas sensors (CNG), methane(CH4) etc. in the air. This is a very easy to use low-cost semiconductor Gas sensor Module with analog and digital output. It requires no external components just plug in Vcc & ground pins and you are ready to go. It is small sensitive to alcohol and smoke.
|Output Type||Both Analog and Digital|
|Operating Voltage||3V-5V DC|
|Detecting Range||300ppm to 10000ppm|
|Length x Width x Height||31 x 19 x 21 (mm)|