Rain Bird LNK2 Smart WiFi Module (2nd Gen) – Remote App Control, Weather‑Adjusted Irrigation

The Rain Bird LNK2 Smart WiFi Module (2nd Generation) turns compatible Rain Bird irrigation controllers into fully remote, app-controlled watering systems in seconds.

The LNK2 is a compact plug-in WiFi accessory that upgrades TRU Rain Bird timers and many ESP and RZXe controllers made after 11/2/2016. Once installed, it links your controller to the free Rain Bird mobile app for iOS and Android, enabling remote scheduling, real-time alerts, weather-based adjustments, and voice control through Amazon Alexa and Google Assistant.

How quickly can I set up the LNK2 and start controlling my sprinkler system?

Setup uses Quick Pair technology so the module snaps into the controller without tools and connects to your home 2.4 GHz WiFi network. The Rain Bird app walks you through pairing and registering the device, typically letting you manage zones within minutes.

• Tool-free plug-in installation into compatible controllers
• Compatible with 2.4 GHz networks (802.11 b/g/n) and common security modes
• Requires iOS 8.0+ or Android 6.0+ on the mobile device
• Quick Pair for fast app-based onboarding and setup

What remote functions and water-saving features does the module provide?

Once connected, the LNK2 lets you change schedules, start or stop individual zones, apply rain delays, and adjust seasonal run-times from anywhere. It also uses local weather data to automatically scale run times, helping reduce unnecessary watering without manual intervention.

• Remote zone control and whole-system start/stop
• Automatic daily weather adjustments to optimize watering
• Seasonal adjust, rain delays, and custom notifications
• Share access with family, landscapers, or service pros for easy maintenance

Which controllers and home networks are compatible with LNK2?

The LNK2 is compatible with Rain Bird TRU models and ESP-LXIVM, ESP-ME, ESP ME3, ESP-TM2, LXME2, and RZXe controllers built after November 2, 2016 that show a WiFi symbol on the front panel. It requires a 2.4 GHz WiFi router and supports a range of encryption types for secure connections.

• Works with specified Rain Bird controllers manufactured after 11/2/2016
• Connects only to 2.4 GHz WiFi networks (WEP/WPA/WPA2 supported)
• Controller must have the front-panel WiFi symbol to confirm compatibility
• Electrical: 24VAC (RMS), 50/60Hz; low current draw (55mA max)

Is the LNK2 secure and able to help troubleshoot system issues?

Yes. Communications are encrypted and the module supports multiple WiFi security modes to protect privacy. The Rain Bird app also provides status updates, alerts for freezing conditions, and remote diagnostic tools to streamline service calls or contractor visits.

• Encrypted wireless communications and standard WiFi security modes
• Real-time alerts and push notifications for system events
• Remote diagnostics to assist installers and landscape professionals
• Certified to multiple safety and telecom standards (UL, FCC, CE, CSA)

Who is this for: Homeowners, property managers, and landscape professionals who want smarter irrigation control without replacing an existing Rain Bird controller. The LNK2 is ideal for anyone seeking simple installation, remote management, weather-adaptive watering, and the ability to share access with family or service providers while conserving water and improving scheduling precision.