Features: 1. Plastic material is lightweight and easy to carry. 2. Perfect tools for checking the button batteries. 3. Mini size, easy to hold and portable. 4. It can test 1.5V or 3V batteries. 5. Necessary tools for watchmakers and watch repairing workers. 6. Three conditions: red zone for running out, yellow zone for electric current, green zone for health or full condition. Specification: Condition: Brand New Type: Watch Accessory Material: Plastic Color: As Shown in The Pictures Size: Approx. 5.5 * 2.7 * 10cm/2.2 * 1.1 * 3.9inch Weight: Approx. 56g Package List: 1 * Cell Tester Only Note: To measure, place the battery with the reverse side down in the circular slot of the corresponding size; press the battery by hand so that the two metal tabs in the circular slot touch the battery at the same time, and then read the remaining battery charge according to the color area indicated by the pointer. Package List 1 * Cell Tester Only 1Plastic material is lightweight and easy to carry. 2Perfect tools for checking the button batteries. 3Mini size, easy to hold and portable. 4It can test 1.5V or 3V batteries. 5Necessary tools for watchmakers and watch repairing workers.