Unverified82% confidenceCautionTime unknown
长期无人看管的场所（如空置房、独居老人家）不建议只买本地声光报警器，应选带WiFi/NB-IoT远程推送手机的型号，否则无人在场时报警毫无意义
1
Sources
82%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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