Orbit Irrigation Rain Freeze Sensor H-Wired: * Adjustable to 1/8", 1/4", 1/2", 3/4" and 1" * Hygroscopic discs absorb water to * RX-1.5F model shuts off during rainfall * 30" of connection wire included * Models include 1/2" NPT and 1/2" slip * Easy one-step rain gutter mount bracket * Adjustable vent provides fast or slow disc * Model# 57069N