The UNI-T UT18C Auto Range Voltage Meter is a handheld device designed for measuring DC and AC voltages, with a range of 120-690 DCv and 12-690 ACv respectively. It also features a continuity test function and is equipped with protection against water jets and dust, making it suitable for various industrial and inspection applications. The meter comes with features such as auto power off, auto-ranging, over range protection, and a backlight for easy viewing. Made in China, this digital multimeter is a reliable tool for professionals in the field of electrical testing and measurement.