Perfect for use on large commercial, industrial and residential sites, SiteMaster™ controls up to 99 zones. User-friendly, this innovative controller offers advanced diagnostics along with easy setup and operation. Along with the ability to run up to 99 zones, the SiteMaster™ has an extra large 5" X 3" display screen with a full keyboard for easy naming and displays watering days, number of start times, number of stations and specialized programming. The two transformer design, along with separate, dedicated lines and advanced on-board diagnostic tools, makes troubleshooting your system both easy and accurate. •Number of stations: Up to 99 •Weather station capable •Connect up to 2 hard-wired flow meters and 3 additional meters attached to decoders in the field •Upgradeable to internet mode by simply adding the 3404 Network Module to be the interface between your router (cellular or WiFi) and the SiteMaster controller. •Rain sensor and rain/freeze sensor ready •6 independent programs with 6 start times each •Full on-screen keyboard makes naming and programming easy and intuitive •Advanced diagnostics include interactive fault log, decoder signal strength/status •Largest screen in the industry displays run times, watering days, number of start times •Two fully independent wire paths for easy layout design and trouble shooting •Special features include seasonal adjust, station/zone grouping, program backup and restore •Station delay/overlap and pump pressurization allows dual operation and pressurization for each of 5 separate pump start locations •Vandal-resistant lockable housing