The Irritrol RD600-EXT-R Rain Dial R Series 6 Station Outdoor Controller has been relied upon for generations of irrigation contractors to perform day-after-day, season-after-season. It's fixed station design makes programming, installation, and servicing fast and easy. With seven day calendar or "skip days" interval options from one to 15 days, this controller is ideal for residential, small commercial and industrial applications. In addition, pairing it with the optional Climate Logic® Wireless Weather Sensing System makes water management a breeze. When using with Climate Logic® the Rain Dial-R will automatically adjust the watering schedule according to the real-time, on-location weather conditions. This helps maintain a healthier landscape and reduces water consumption and cost.