Multi-size battery tester - common battery sizes and types, and bulbs and fuses
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Checks power level of most 1.5V & 9V batteries and also checks power level of most fuses and bulbs. Easy-to-read-meter.
Requires 9V battery - supplied (note that the packs states that the battery is not included - but it is. There are what appear to be two battery compartments but in fact one is an empty compartment designed to hold a supply of fuses.