The FLUKE PRV240FS Proving Unit is a high-quality cable tester designed by Fluke, a trusted brand in the industry. Specifically designed for testing RJ45 cables, this unit is brand new and factory sealed, ensuring its reliability and functionality. Made in the United States, it comes with a magnetic hanging strap for easy handling and positioning during testing. With the model number PRV240FS, this unit is a valuable tool for professionals in the field of testing and measurement.