DAHUA WIRELESS INDOOR SIREN
> Signal strength detection.
> Low battery alarm.
> Temperature measurement.
> Frequency hopping function and two-way communication technology
> Cloud update and automatic recovery from update failure.
> Low battery alarm.
> Temperature measurement.
> Frequency hopping function and two-way communication technology
> Cloud update and automatic recovery from update failure.
Flat rate shipping cost: $15.00
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