Seeed 101020055 Grove - Gas Sensor(MQ2) module is useful for gas leakage detecting (in home and industry). It can detect LPG, i-butane, methane, alcohol, hydrogen and smoke. Based on its fast response time, measurements can be taken as soon as possible and the sensitivity can be adjusted by the potentiometer. * Dimensions:130mm x90mm x32mm * Weight: G.W 16g * Battery: Excluded * Wide detecting scope * Stable and long lifetime * Fast response and High sensitivity https://elecena.pl/product/27185546/seeed-101020055-grove-gas-sensor-mq2 2024-11-08 https://elecena.pl/product/27185546/seeed-101020055-grove-gas-sensor-mq2 2025-04-30 https://elecena.pl/product/27185546/seeed-101020055-grove-gas-sensor-mq2 2025-06-23 https://elecena.pl/product/27185546/seeed-101020055-grove-gas-sensor-mq2 2025-08-02