LoRaWAN wireless somke detector
With a built-in high volume buzzer, it can release a sound alarm above 80 dB
It can send the information to "SANJIANG Cloud" based on the LoRaWAN protocol.
With separate CPU controlling, it can identify the smoke and alarm intelligent.
It is an ideal option for residence, coffee shop, leisure and entertainment places.
It adopts 9V lithium battery, and can work for 3 years with low power consumption.Read more detail