Heavy-Duty, 4-Range Voltage Tester 80–480 VAC/DC. Easy, “hands-free” multi-range voltage tester for users who expect the best. Tests voltage from 80–480V AC/DC (4-range indication). Heavy-duty construction with over-molded rubber grips. Snap-in leads are spaced to fit standard outlet for “hands-free” operation. Sta-Flex 36-Inch cold weather leads.