Description
1.Material: Plastic
2. Clear digital display indicates the strength of the battery.
3. Suitable for most sizes of hearing aid batteries
4. Can store 2 extra batteries
5. Mini size, comes with a keychain for easy carrying and storage
6. Hearing aid battery voltage starts to alarm when it falls below 1.1V, reminding to replace the battery
7. Note: Only the Battery Tester, not including the battery
