EmmEmm Finest quality DT-830 Unity Multimeter. Material and Design This long-lasting multi-meter is made using good quality material and is very durable. It is well-designed in order for it to be used easily. It is guaranteed to serve you for a long time. It is yellow in color. It has a compact size and is very handy. Utility It is extremely easy to use. This useful multi-meter has a wide range of applications. It can be used to measure both AC and DC voltage, AC and DC current, find the characteristics of a transistor, detect any short circuit at various points in the circuit and so on. This easy to use device can be carried around with ease as it is a cordless device.