MQ135 MQ-135 Air Quality Sensor Hazardous Gas Detection Module

Features of MQ-135 Gas Sensor for Alcohol, Benzene, and Smoke Detection Fast recovery and response Detects concentration level of alcohol, benzene, and smoke Output indicating signal Configurable sensitivity Specifications of MQ-135 Gas Sensor for Alcohol, Benzene, and Smoke Detection Voltage Compatibility: 2.5V ~ 5.0V Hole Size: 2.0mm mounting holes Weight: 11 grams Dimensions: 4cm x 2.1cm | 40mm x 21mm