This is a Flow Meter model MV-102. It is rated for a maximum of 10 bar(g) and has an Imax of 0.35A. The operating temperature range is 0 to 50 degrees Celsius. It is rated for 15-24Vdc. The unit was tested at 21 bar(a). Made in Holland. CE certified. The item is in used condition with normal signs of wear. Please see images for details. Functionality is not tested by the seller.