Fyw tme1rna awhn non visual doorbell wireless doorbell systems
Operation voltagev100240 modelfyw tme1rna awhn whats in the boxscrew package users manual 1indoor unit 1outdoor unit connectionwireless power w02 additional featuresnon visual doorbell mountingwall mounting working temperaturec0 45 0 45 brandfyw listing date04072017 production modeself produce
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