Catalog > Electro-Mechanical Components > Relays > Relay Sockets Catalog > Consumer Electronics > Kits > DIY Kits Gas Detection Sensor Module Gas Detection Sensor Module BMT MQ131 OZONE SENSOR MODULE GAS DETECTION SENSOR MODULE MQ131 SENSING OZONE O3 ,WORKING VOLTAGE: DC 5V ,SIZE: 32MM * 22MM * 30MM (L * W * H) Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Size: 32mm x 22mm x 30mm (L x W x H) Main chip: MQ131 gas sensing probe Working voltage: DC 5V Downloads Datasheet - BMT MQ131 OZONE SENSOR MODULE PDF File 494.33 KB