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• + [QUESTION] What should we do before install the interconnected smoke alarm?
• + [QUESTION] When smoke trigger interconnected smoke alarm,why can’t i press any of the group to mute?
• + [QUESTION] Why the zigbee interconnected smoke alarm keep sending alarm after the 10 mins mute time?
• + [QUESTION] How long does the interconnected smoke alarm in the group sound after one being made self-test？
• + [QUESTION] What thickness wire do you recommend for interconnected smoke alarm HM-638PHW-AC/HM-638PPHM-AC?