Features: The Battery Power Tester accurately measure remaining battery power, ensuring users stay inform about their battery usage. Featuring high precisions measurement, simple operation, and a lightweight, portable, it is suitable for various battery types such as AA, and 9V. For a wide ranges of users including household consumers, engineers, and photography enthusiasts who need reliable battery information. Perfect for use in diversing setting like homes, offices, and outdoor activity, it efficiently check batteries in devices like flashlights, cameras, and wireless microphones. Crafted from ABS material, this battery tester is a essential tool for anyone seek performances and ease of use in battery management. Specifications: Material: ABS Testing Battery Type: C, AA, D, N, 9V, 6F2, 1.55V, 3V, 3.7V Size: About. 85x31x18mm/3.35x1.22x0.71in Color: Black/Blue Note: ONLY include a tester, do NOT include any batteries. Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color. Package includes: 1pc Battery Tester