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    • USB Input Voltage: DC5V/2A (USB cannot be used with dry battery, only rechargeable battery)
    • Battery: DC3V LR03*2
    • Standby Current: ≤75uA
    • Alarming Current: ≤60mA
    • Low-voltage Notification: ≤2.2V
    • Wi-Fi: 802.11b/g/n, 2.4GHz
    • Detection Distance: 6m
    • Detection Angle: 360° ceiling - installation
    • Installation Method: ceiling / wall
    • Working Temperature: -10 - 50℃
    • Working Humidity: ≤95%RH
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