["DRAGINO water flow meter G3/4'' / DN20 The Dragino SW3L is a LoRaWAN flow sensor. It detects the water flow rate and connects to the IoT server via the LoRaWAN network. The user can use it to monitor water consumption in buildings. The SW3L is powered by an 8500mAh Li-SOCI2 battery that is rated for long-term use of up to 10 years. (Battery life depends on the usage environment and update period). The SW3L sends the water flow rate every 20 minutes. It can also detect the water flow status and send an alarm to avoid water waste, such as a broken toilet tank. The SW3L is suitable for both indoor and outdoor use. It has a weatherproof housing and an industrial-grade battery that works in low to high temperatures. Each SW3L is pre-installed with a set of unique keys for LoRaWAN registration. These keys are registered on the LoRaWAN server and the connection is established automatically after switching on", "LoRaWAN v1.0.3 Class A protocol", "Volume: EU868", "Uploading water flow rate", "Monitor wastewater", "8500mAh industrial battery (not rechargeable)", "AT commands for changing parameters", "Uplink on periodic and open/close event", "Datalog function", "Remote configuration of parameters via LoRa downlink", "Firmware upgrade possible via program port", "Wall mounting possible", "Outdoor use possible", "Flow sensor", "Water control", "Toilet Flow Sensor", "Monitoring of wastewater", "1 x water flow meter G3/4'' / DN20 · SW3L-EU868-006"]