Power Rating: Operates at 5V DC – designed for stable, low-power air quality monitoring.

Type: MQ-135 Air Quality Sensor Module – detects multiple harmful gases including CO₂, NH₃, benzene, smoke, and other volatile organic compounds (VOCs).

Detection Range: Sensitive to gas concentrations ranging from 10 to 10,000 ppm, ensuring wide environmental coverage.

Output: Provides both analog and digital outputs for easy interfacing with Arduino, ESP32, and other microcontrollers.

Response Time: Offers quick response and recovery for real-time air quality tracking and alerts.

Calibration: Equipped with an adjustable potentiometer for fine-tuning sensor sensitivity based on the target environment.

Build Quality: Features a high-quality metal-oxide semiconductor sensing element enclosed in a protective mesh for durability.

Applications: Ideal for indoor air quality monitoring, pollution detection, ventilation control, and smart home automation systems.