1PCS MQ-135 Air Quality Gas Sensor Module for Arduino Harmful Smoke Detection for Industrial and Household Dual Signal Output 5V

High-concerned chemical：None isCustomized：Yes Type：Gas Sensor Brand Name：UICPAL Origin：Mainland China Use：Gas Sensor

High-concerned chemical: None isCustomized: Yes Type: Gas Sensor Brand Name: UICPAL Origin: Mainland China Use: Gas Sensor