Low Battery Indication; Technical Parameters - FONRI SMART SOS BUTTON Manual Del Usuario

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Low Battery Indication

The device will enter semi-dormant status when
low battery, LED indicator blinks 4 times every
60 seconds, means you should replace the
battery, the APP will receive an indication too.

Technical Parameters

Working voltage
RF frequency
WiFi frequency
Standby current
Working current
10
3.6 V (LIR2450
rechargeable battery)
433.92 MHz
2.4 GHz
<50 uA
<100 mA