Irritrol RFS1000 Wireless RainSensor Taking water management to the next level, the proven Irritrol RFS1000 RainSensor Wireless 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.