ISA Series Multiple Station Indoor Timers Add more value, versatility and convenience to your underground watering system with a Rain Bird Automatic Timer. Rain Bird offers a full range of timers to customize watering schedules tailored to your unique landscape, while dramatically conserving water and improving lawn and plant health. Rain Bird automatic timers offer maximum versatility and efficient watering with water-conscious features like Automatic Rain Shutoff to stop operation during rain. Our timers can even be easily linked to existing drip watering systems. Features and Benefits: Provides 6 pre-programmed schedules to match watering needs. System can be shut off with the turn of a dial during rainy weather or when yard is in use. Winterization mode allows shut down of system for the winter without losing set programs. Manual start begins station watering without interfering with normal settings. Test mode automatically runs a 2 minute test of each station to check for needed adjustments. Fail-safe program defaults to a backup schedule in case of battery failure to protect your landscaping. UL listed transformer.