Keywish Basic Gas Sensor MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Sensor kit set for Arduino Starter Kit gas detection
Including 9 Combustible Poisonous Gas Detector, MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135,very complete gas Detector Kit.
With tutorial and codes to help you demo, contain specifications of each sensor module to make everything easier.
All components are modular easy to connect and convenient to use.
Quick-responding technical support for free. Professional engineering team provides fast and free support to help you solve every difficulty in learning.
Nice plastic package will keep everything come in good condition.