The Dragino SW3L is a LoRaWAN Flow Sensor. It measures water flow volume and uplink to IoT server via LoRaWAN network. You can use this sensor to monitor the water usage for buildings.
The SW3L will send water flow volume every 20 minutes. It can also detect the water flow status and send Alarm.
SW3L is designed for both indoor and outdoor use. It has a weatherproof enclosure and industrial battery to work in low to high temperatures. The 8500mAh Li-SOCI2 battery is designed for long term use up to 10 years.
More information is available on the website of Dragino.