Multi-purpose tester for dry cell 1.5V batteries (AAA, AA, C, D and button-type), 9V batteries (PP3 /6LR61), household and automotive fuses, bulbs (with bayonet fitting and push/screw type torch light bulbs) and continuity testing. Readings display on the clear and simple analogue scale. There is also an audible continuity tester via test probes supplied. Powered by a 9V PP3/6LR61 battery (supplied).