If you are working on electronics you will need to use a pocket digital multimeter. The good digital multimeter is one of the most useful tools for measuring, testing, and troubleshooting any type of electronic device. The best digital multimeter is a useful tool for testing electronic circuits for integrity, voltage output, resistance and other electronic attributes. When you perform a test on your car's battery, also you need to test the other components of the charging system to determine whether the battery is failing. The Digital Multimeter you have been waiting for! Rugged constructs with rubber protective sleeve. This is the affordable one for your workbench. So what are you still waiting for?