Excellent working condition, very clean, ready to install. Level limit sensor by Endress + Hauser, model Liquiphant M, FTL51H-ATE2DD4E4A. Specifications: IP66/67/NEMA4X, L=Typ II, Pmax: 1.3W, 19..253VAC, 50/60Hz or 19…55VDC. Serial AC001115029. See tag photo for detailed contact rating. Weighs 690 gr, 3 1/4" diameter, 8 3/4" tall.