- 3-in-1 Multifunction Tester for AA, AAA, C, D, 9V batteries, standard bulbs, and fuses - Analog scale meter provides clear and accurate readings of charge or operating status - Compact and portable design, easy to carry in a toolbox, glove compartment, or bag - Simple and quick operation, no need for complicated setups - Easily identifies faulty components before they fail - Ideal for maintenance, repair, and diagnostics of electronic devices - Includes 9V battery and approximate dimensions of 15 cm length, 6.5 cm width, and 3 cm depth