LoRaWAN wireless manual call point
SJ-LR09
Product features
Working voltage: DC3V(2 pcs of DC 1.5V AA lithium battery).
Low power consumption: monitoring current<20 uA, and lifespan of the battery is more than 10 years.
Long transmission distance: 2KM in the urban area.
With plug type structure, it is easy for installation and maintenance.
It can repeat the alarm and be reset by specific tools.
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