The H2OPro-Flow meter (model HA-1032) accurately measures real-time water flow and enhances the capabilities of the H2OPro Smart Sprinkler Timer to monitor and track actual water use and cost, detect leaks or clogged irrigation lines and receive alerts and monthly water usage reports. Use 1 to 8 H2OPro-Flow meters depending on irrigation system layout. Amazon
Specifications:
Model: HA-1032
Only compatible with H2OPro Smart Sprinkler Timer (HA-1035)