Digital Multimeter, a Special 8 Function Edition: Measure a vast range of voltages, current, resistance, continuity (connection between two points), testing diodes 1.8 inch LCD Display: Auto Polarity Display, for visibility in dimly lit areas, back-light makes a real difference in low light areas. Also have Low Battery Indication, never worry about power off suddenly Hand-held Volt-Ohm Meter with Light Weight: Great for useful fault finding and field service work or as a bench instrument that measures to a very high degree of accuracy Portable Multimeter with Built-in Battery: 9 V battery powered is installed for instant use, take it with you wherever you go, and provides you with a multitude of features that helps you achieve the best results every time Troubleshoot Electrical Problems in a Wide Array: Industrial and household devices such as batteries, motor controls, appliances, power supplies, and wiring systems