Orbit 3-1/8 in. L Rain/Freeze Sensor

Digital freeze sensor prevents watering in freezing conditions. Reduces hazards and damage from freezing water. It is universal and will work with new and existing sprinkler systems. Adjustable rain sensitivity with 5 settings from 1/8" to 1". Automatic rain delay with adjustable duration. 3 mounting options - threaded, slip, and rain gutter