LWL02 LoRaWAN Water Leak Sensor

The Dragino LWL02 is a compact LoRaWAN-based water leak sensor designed to detect the presence of water using dual metal probes and instantly report leak events to an IoT server. Powered by 2 × AAA batteries, it delivers ultra-low power operation with a battery life of 2 to 10 years. The device supports event-based and periodic reporting, leak count tracking, and last leak duration analysis, making it ideal for long-term unattended monitoring.

Key Specifications

• Protocol: LoRaWAN v1.0.3 Class A

• LoRa Chipset: SX1262

• Detection: Water leak via metal probes

• Power Supply: 2 × AAA (LR03) batteries (replaceable)

• Battery Life: ~16,000 to 70,000 uplinks (2–10 years)

• Reporting: Periodic uplink + leak event uplink

• Functions: Leak count, leak duration analysis

• Configuration: AT commands & LoRaWAN downlink

• Frequency Bands: CN470 / EU433 / KR920 / US915 / EU868 / AS923 / AU915 / IN865

• Dimensions: 40 × 15 × 15 mm

• Weight: 85 g

Applications

Wireless alarm systems, home and building automation, industrial monitoring, basements, server rooms, pump rooms, and critical infrastructure leak detection.

USER MANUAL:

LWL02_User_Manual

DATA SHEET:

LWL02_Datasheet

FIRMWARE:

LWL02_Firmware