TRUSTECH 9PCS/Lot Gas Detection Sensor Module MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Sensor Module Gas Sensor Starter Kit Electronic Components Electronic Hobby Kit

1.With signal output indicator light. 2.Size: 32mm X22mm X30mm length * width * height; 3.The main chip: LM393, MQ-x gas sensing probe; 4.Working voltage: DC 5V; 5.With signal output indicator light; 6.The dual signal output (analog output and TTL output); 7.The analog output and increased with the increase of concentration, the higher the concentration higher voltage; 8.Has a very high sensitivity to sulfide, benzene vapor, smoke and other harmful gases; 9.With a long service life and reliable stability; 10.Quick response and recovery characteristics; 11.With mounting holes, easy mounting; 12.The probe can be plug design, convenient test. ||Quick response and recovery characteristics;The dual signal output (analog output and TTL output);Has a very high sensitivity to sulfide, benzene vapor, smoke and other harmful gases