WiFi Graffiti Smart Smoke Alarm

$27.45
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    Descripción

    Power supply: DC9V alkaline batteryQuiescent current: <10uAAlarm current: <100mADetection area: 20Alarm sound:> 80dBLow battery alarm: ≦ 7.0 V ± 0.2 VWorking temperature: 0 ℃ ~ + 50 ℃Humidity: ≤95% rh,