This is a genuine Claas sensor, part number 0003721540, designed for precise operation in various Claas agricultural machinery. It is compatible with a wide range of models including AXION 800, 810, 820, 830, 840, 850, 870; ARION 510, 520, 530, 540, 610, 620, 630, 640, 650, 660; XERION 4000, 4500, 5000 (including TRAC and TRAC VC variants); and ATOS 220, 230, 240, 330, 340, 350 series. Key dimensions include a length of 95 mm, a height of 51 mm, and a weight of 0.12 kg.