Rainbird Conduit-Mount Rain Sensor Automatic rain shutoff prevents overwatering due to natural rainfall Flexible, multiple rainfall settings from 1/8" to 3/4" which are quick and easy to adjust with a twist of the dial Conduit version with threaded adapter for a clean install, easily resists the elements, ensuring hassle-free performance An adjustable side vent ring allows the sensor to dry out once it collects water Moisture sensing disks work in a variety of climates - Latching hinge maintains alignment