Most controllers, no matter which brand, tend to work in the same way. Your existing controller uses a simple timer to turn on and off the sprinklers in different zones depending on the time-of-day and the day of the week. It does not know if it is raining, or if the lawn is still wet. It only knows: if this is Tuesday at 7:15am, turn on the water in Zone 1 for 8 minutes, Zone 2 for 10 minutes, etc. Your existing controller is set to turn on the valves at a specific day of the week, time of day, and duration for each zone. The S.Sense Receiver works within that window and doesn't allow the valves to turn on if the lawn has enough moisture to last until the next scheduled watering.
Keeps Landscapes Healthier
Sensors: Soil moisture and temperature
Max Range: 200 feet line of sight (extendable)
Power: 3 AAA alkaline batteries (> 1 year operation)
Operating Temp: 32
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