Rain Bird SST600I Simple To Set Indoor Timer, 6-Zone (Discontinued by Manufacturer; replaced by SST600IN) Set each zone independently for maximum flexibility Superior surge protection for long lasting durability No battery back-up required All settings stored in permanent memory Built in troubleshooting valves and wiring cycle Automatic indoor watering system timer with control for up to 6 zones Simple zone-by-zone setting allows you to customize watering schedules for different areas Easy-to-operate system lets you choose start time, watering duration, and days of week Large, easy-to-read screen and backlit buttons allow you to review settings at a glance Sealed case protects against moisture, insects, and grime; superior surge protection Includes timer, transformer with 6-ft cord plus installation guide