Hunter Sprinkler WSS Wireless Solar Sync for Use with PCC and Pro-C controllers Smart irrigation control made simple! For use with Hunter controllers in which the Solar Sync programming is not already built in, such as Hunter Pro-C (PC-300) and original PCC controllers. Rain and freeze shutoff Includes wireless sensor, wireless receiver and solar sync module. Gutter mount bracket is included. 10 year battery warranty Refer user manual below.