Product Description Rain Bird SST900IN Simple-To-Set Indoor Sprinkler/Irrigation System Timer/Controller, 9-Zone/Station. Rain Bird introduces the new "SST900IN" Timer packed with enhanced features and programming options (this new & improved model replaces the Obsolete SST900I). This indoor-mounted timer is so easy to use you won’t need the instructions!! Intuitive, simple zone-by-zone settings allow different watering schedules for each area of your yard; providing greener results with less water. Controls up to 9-valves with watering times from 0-240 minutes per zone. Simply turn the dial to each zone to quickly and easily set: custom days of the week, odd or even days, or a cycle number of days independent of all other zones. Programs up to four custom watering times per day to correctly water slopes and clay soils in short intervals allowing water to soak in and avoid runoff. Quickly review all settings with the LCD screen and easy to read LED indicator lights. Additional Features: "Seasonal Adjust" allows increase in watering time up to +100% in hot/dry months or reduce in cool/rainy periods to as little as -90%. "Rain Delay" suspends watering for up to 72-hours; resetting automatically once delay ends. "Water 1 Zone Now" button waters a single zone for up to 180 minutes. "Water All Zones Now" button waters all zones for duration of first programmed time. Superior built-in surge protection guards against damage from lightning strikes or power surges. All timer settings are stored indefinitely in memory; no need to re-program in case of power outage. Automatic trouble shooting of valves and wiring; if a short is detected, timer suspends watering to the zone and displays a warning message. Sealed case protects from moisture, insects and grime; timer designed for use inside of home, garage, or waterproof shed. Supports a master valve or pump start relay, and a rain sensor. Compatible with most 24 VAC irrigation valves. Includes transformer power plug with 6’ cord and installation guide. Electrical Specs: Input - 120 VAC/ 0.17 AMP/ 60Hz. Output - 25.5 VAC/ 0.65 AMP/ 60Hz. UL, and cUL certified. Rain Bird “The Intelligent Use of Water”