AA or AAA battery carrying case with Tester

1) Two in One Product Consolidate the function of a battery TESTER and a battery BOX for AA or AAA batteries 2) Instant and Precise Enables the user to check remaining power inside a battery at a glance with 5-LED fuel gauge 3) Universal Design Compatible with both RECHARGEABLE and NON-RECHARGEABLE AA or AAA batteries 4) Compact and Lightweight Easy and convenient to carry in a camera bag 5) Microprocessor Controlled Capable of detecting battery voltage automatically 6) Self-Operation No extra Power (such as batteries or AC adapter) required for normal operation.