As one of its daily deals, Amazon offers the Rachio Iro 8-Zone Smart WiFi Irrigation Controller for iOS or Android, model no. 8ZULW, for $129.99 with free shipping. That's $46 under our January mention the best price we've seen for a new one. (It's a current low by $50.) It automatically adjusts your watering schedule based on weather, seasonality, zone-type, and regional characteristics and can be controlled via the Rachio iOS or Android app. It's also compatible with the Wink home automation system and works via the Wink iOS or Android app (no Wink hub is required).

Also available is the Rachio Iro 16-Zone Smart Irrigation Controller, model no. 16ZULW, for $149.99 with free shipping. That's $50 under our January mention and the best price we've seen. (It's a current low by $49.) Both deals end today.