Today only, this Rachio 2nd Generation Smart Sprinkler Controller for 8-Zones, listed at $199.99, drops to $149.99 at Woot. This is the lowest price we've seen online for this smart sprinkler controller. Connect to your wifi or smart home platform to use the controller with any sprinkler system. If you need more coverage, select a 16-Zone Smart Sprinkler Controller, listed at $249.99, for $179.99 from the drop down menu. Please note that you must sign up for a free account to receive this deal. Shipping adds $5. Sales tax is not charged in most states.