Multi-purpose tester for dry cell .5-volt batteries (AAA, AA, C, D and button-type), 9-volt batteries (PP /6-litreR6), household and automotive fuses, bulbs (with bayonet fitting and push/screw type torch light bulbs). Readings show up on clear scale. There is also an audible continuity tester via test probes supplied. Size 70 x 45 mm. Runs off x 9-volt PP/6-litreR6 battery (supplied). All tools are manufactured to high quality standards that are strictly controlled by our quality control engineers. They offer good value for money and a number of useful features to improve the performance of the product. All products come backed by the Tools guarantee. Tools is a family-run company that has been selling high-quality tools in the United Kingdom and beyond for more than 90 years. To bring you the tool you need, the buying team sources innovative products, which adhere to strict ethical and quality standards, from all around the world.