- Model: MQ-3<br />- Color: Black + Red<br />- Material: Copper + Plastic + PCB<br />- Main chip: LM393、 MQ-3 Sensor<br />- Work voltage: DC 3~5V<br />- With the signal output;<br />- Analog + TTL output;<br />- 0~5V analog output voltage<br />- Detecting range: 10~1000ppm<br />- Package includes:<br />- 1 x Module<br /><br />                                                                                                                                Dimensions: 1.30 in x 0.83 in x 0.43 in (3.3 cm x 2.1 cm x 1.1 cm)<br />Weight: 0.18 oz (5 g)<br /><br />