New and functional, inspected, no box. Surplus from an aluminum manufacturer. Conductivity and resistivity sensor 200CR by Thornton, part number 6222-1. Specifications: 90-130 VAC, 50-60 HZ, 125 AMPS. Weighs 864 grams and measures 8 1/2 X 4 3/4 X 3 1/4 inches.