Save water. This controller automatically adjusts the amount of water applied throughout the year based on typical climate variation in your location. No subscription or internet connection required. Can handle 15 zones plus control a master pump. Capable of single station manual control, rain delay, multiple programs. Plug into a 120V outlet but runs internally on 24V. Can run 3 solenoid valves per output. Each output supplies a maximum of 0.75 amps at 24VAC. Has a battery backup. Stainless steel locking weatherproof cabinet. Has all the original documentation. Used, works.