Features: The MQ136 Ozones Sensors Module offer unparalleled Precisions in detecting Ozones level, making it essential tool for air quality management. Featuring rapid responses, high sensitivity, and stability, this Sensors module stands out as solution for continuous environmental monitoring. for research institutions, environmental agencies, industrial facilities, and healthy homeowners to measure Ozones concentration. This Ozones Sensors can be integrated into indoor air purifiers, HVAC systems, and vehicle exhaust systems to ensure healthier living and working environment. Empower your safety with real time Ozones detection using the MQ136 module, device for anyone dedicated to maintaining air quality indoors. Specifications: Materials: PCB Package Includes: 1PC MQ136 Module note: Please allow 0-1cm error due to manual measurement. make sure do not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!