Features ABS Material: Made of high-quality ABS material, ensuring durability and long-term usage. Accurate Battery Health Display: The screen accurately shows the battery's health status, indicating poor, weak, or good voltage state. Clear Digital Display: Convenient and easy-to-read digital display for clear battery measurement. Portable and Lightweight: Light in weight and small in size, making it convenient to carry and store, suitable for various needs. Wide Battery Compatibility: Suitable for detecting power in carbon, zinc, and alkaline batteries, offering versatile application. Specification: Item Type: Battery Tester Material: ABS Test Battery Type: D type batteries, AA type batteries, AAA type batteries, N type batteries, button batteries, stacked batteries Battery: 1.55V button battery (Battery Included) Battery Capacity: 150mAh Application: Used to detect battery power, suitable for carbon, zinc, alkaline batteries Package List: 1 x Battery Tester (Battery Included) Package List 1 x Battery Tester (Battery Included)