Woot offers Rachio 6ZULW-C Gen 3 Smart Sprinkler Controller, 6 Zones for $99.99 (orig. $179). Free shipping for Prime Members.

Product Description:
Easily schedule and control your in-ground irrigation system with the Rachio 3 Smart Sprinkler Controller and the intuitive Rachio App (no monthly fees). Keep your yard healthy while saving on your water bill. Integrates with Amazon Alexa and other smart home devices. Installs in 30 minutes or less with no special tools.

• Rachio automatically adjusts for the weather and season, saving you water while keeping plants healthy.
• Avoid watering in the rain: exclusive Weather Intelligence Plus automatically skips unnecessary waterings with features like Rain Skip, Wind Skip, Freeze Skip and more
• Control from anywhere with the easy-to-use app: run sprinklers, view upcoming schedules and observe your estimated outdoor water usage
• Install in 30 minutes or less with no special tools needed
• Compatible with Amazon Alexa, Google Assistant, Nest and more