Application These reliable mechanical controllers, designed primarily for residential applications, provide dependable operation and programming features to meet the specific needs of homeowners who prefer a very simple dependable non- computer controller.     Features One program Six- or seven-day calendar Master switch for On/Off and automatic settings Automatic and manual operation Light to indicate circuit operation Mechanical circuit breaker Master valve/pump start circuit Weather-resistant plastic, locking cabinet with an internal transformer (outdoor models) Durable plastic cabinet with an external transformer (indoor models) Wall mount UL Listed Operating Specifications Station run times: 5-45 minutes (304 models); 5-30 minutes (306 models) Start times: 1-5 per day Watering schedule: 6- or 7-day calendar   Electrical Specifications Circuit breaker: 1.2 amps minimum holding Transformer (included)input: 120 VAC, 60 Hz Transformer output: 24 VAC, 1.25 amps Maximum output per station: 24 VAC, 1.0 amp Maximum output to valves: 24 VAC, 1.0 amp (including master valve) Outdoor Dimensions Height: 9-1/2" Width: 6" Depth: 4" Indoor Dimensions Height: 7" Width: 5" Depth: 3" Models: How to Specify 304PRi Model Number of Stations Outdoor/Indoor Mount Option 304PR 4 outdoor 306PR 6 outdoor 304PRi 4 indoor 306PRi 6 indoor