This Megger 1720 Multifunction Tester is a top-of-the-line tool for any business, office, or industrial setting. With its 12-month calibration, you can trust that this device is always providing accurate measurements. The brand name Megger speaks for itself in the industry, known for their high-quality products. Ideal for test meters and detectors, this device is perfect for any professional who needs to measure and inspect various aspects of their work. Whether you're in the business of electrical, mechanical, or construction, the Megger 1720 Multifunction Tester is a must-have tool in your arsenal.