The Kit Electronic TSM-117 Digital Voltmeter is a versatile tool for measuring DC power supply levels with a range of 0-999V. This unit includes a power supply function with a 12VDC output and 0.5A capacity, making it suitable for a variety of testing and measurement tasks in industrial and business settings. The kit includes three units for versatile use across different projects and applications. With its reliable brand reputation and comprehensive capabilities, the Kit Electronic TSM-117 Digital Voltmeter is an essential tool for any professional in the field of electrical testing and measurement.