Flash’O – LoRaWAN


The LoRaWAN® Flash’O counts and remotely reads the number of light pulses emitted by any type of electronic meter: water, gas, electricity, energy.


  • LoRaWAN®, Class A
  • Easy to install and use
  • Flash LED counting and accumulation up to 500 pulses per second
  • Infrared optical sensor
  • Differential data compression
  • IP55
  • 12 years of autonomy (data compression mode)


  • Use case: tracking electricity consumption.
  • Radiofrequency counting and remote reading of any LED flash electronic meter.
  • Remote reading of the load curve.
  • Economical and fast solution that turns any electronic meter that emits light pulses into a smart meter connected to a LoRaWAN™ network.

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nke WATTECO, your IoT partner

Over 30 years of experience

in the design, development, industrialisation and manufacturing of electronic products

In-house engineering and design department

for the development of new concepts in accordance with your constraints

Made in France

our production workshop is based in Hennebont (56), France, and we are an ISO 9001 certified company