Item Tag: iPhone, iPad, iPod
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WiFi Power Failure Alarm with App Alert & 110dB Loud Siren for Freezer, Sump Pum
2.4GHz WiFi & APP Notifications: Supports 2.4GHz Wi-Fi signal only (not compatible with 5G WiFi).
2.4GHz WiFi & APP Notifications: Supports 2.4GHz Wi-Fi signal only (not compatible with 5G WiFi).