Taking water management to the next level, the proven Irritrol® RainSensor™ Series makes watering in the rain a mistake of the past. The reliable wireless and wired rain sensors conserve water by preventing irrigation during or after sufficient rainfall, while the wireless rain/freeze sensor also helps reduce vegetation damage and icing conditions when the temperature drops below a predetermined set point. With its compact design and host of convenient features, the RainSensor Series is the perfect complement to any standard controller. Constant communication between transmitter and receiver - Assures that even after a controller power outage, the controller is continually updated with the sensor's "wet" or "dry" status Versatile mounting options - Requires no special tools - Quick-Clip gutter bracket and 1/2" conduit adapter included Signal strength indicator - Ensures correct installation, communication link and signal integrity (wireless models) Patented wireless technology - Unsurpassed by the competition Housing MaterialUV-resistant engineered polymer Load Ratingnormally open or normally closed — 3A @ 24 V ac Operating Temperature-20°F to 120°F Rain Sensitivityadjustable nominal 1?8" to ¾" Receiver Power22-28 V ac/V dc, 100mA (to be used with Class 2, UL-approved (transformer) Sensor Typeindustry-standard hygroscopic discs UL Listed Wireless only FeaturesTransmission range: up to 500' line-of-sight - Battery: Two CR2032 3V cells, 5-year life (typical) - Frequency: 418MHz