Free Shipping MQ-5 Methane Natural Gas Sensor Shield Liquefied Electronic Detector Module New<br><br>Description<br><br>Size: 32X22X27mm/<br>Main Chip: LM393 ZYMQ-5 gas sensor<br>Operating Voltage: DC 5V<br>Input Voltage: DC5V<br>Power: 150mA<br>DO Output