Controls & Protects Submersible and Jet Pumps;Adjustable from 10 to 80 PSIG, in 1 PSIG Increments;10 PSIG Minimum Differential Narrows Pressure Fluctuations;55 PSIG Maximum Differential Provides Programming Flexibility;Durable NEMA 3R Enclosure for Indoor & Outdoor Applications;4-Wire Configuration with Pre-Stripped Leads;Automatically Recognizes 115 or 230VAC Systems;2-Year Limited Warranty