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What is "AQI information" in X-Sign Designer 2.x?


AQI stands for Air Quality Index. "AQI information" in X-Sign Designer 2.x provides the index and relevant information about the air quality in China.

Applicable Models

ST550K, SL6502K, ST4301K, ST5501K, SL6502K, SL5502K, SL4302K, SL8502K, SL7502K, BH2401, BH2801 , BH3501, BH2801N, BH3801 , BH3801N, BH3801D, IL430, IL490, IL550 , X-Sign

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