As part of Prime Day 2018, Woot via Amazon offers the Rachio Smart Sprinkler Controller with Alexa support (16 Zone 2nd Generation) for $149.99 shipped. Regularly around $220 or more, this is the lowest we have tracked on Amazon and the best price we can find. For comparison, the 8-zone model goes for $179.99 at Best Buy. Rated 4+ stars from over 2,300 Amazon customers.

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We also spotted the RainMachine Touch HD-12 Wi-Fi Irrigation Controller for $206.50 shipped (Reg. $240) at Amazon.

Rachio Smart Sprinkler Controller:

  • MOST 5-STAR RATINGS. Amazon’s most- and highest-rated WiFi sprinkler controller is the Rachio Generation 2 Smart Sprinkler Controller.
  • UNBEATABLE USABILITY. Download the Rachio app to care for your lawn remotely with your smartphone, tablet or laptop, use a connected home system or run zones directly from the controller itself.
  • ADAPTS TO YOUR LAWN. Set your own schedules or input details like plant type and sun exposure to let Rachio automatically water your lawn with exactly what it needs to thrive, and not a drop more.
  • ONLY WITH RACHIO – RAIN AND WIND SKIPS. Rachio Weather Intelligence uses comprehensive weather data to automatically adjust your irrigation schedule based on the latest local forecasts.

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