LoRaWAN Water Level Sensor
1. the max power is 22dbm, up to 5 km transmission.
2. Built-in 19000mAh high-capacity lithium battery, up to 5 years.
3. Measure Range: 0-5m.
4. Compatible with any LoRa/LoRaWAN gateway.
5. Industrial design, operating temperature range -40 ℃ ~+85 ℃.