Features: Ensures your batteries is ready with the Digital Battery Tester, designs to accurately test wide ranges of battery types including Double A,Triples A, C, 3.0V/1.5V button cells, D and 9V batteries. Featuring high precise sensors and easy to read LCD display, this compactly tester is simple for anyone to use without needing technical expertise. Suitable for DIY enthusiasts, battery management professional, and everyday consumers who rely on battery power devices and need to regularly check battery health. Perfect for home use to monitoring various household batteries, as well as outdoor activity like camping and traveling where checking spare battery conditions is important. With its lightweight designs, the tester fit conveniently in a purse or backpacks ensuring you can carry it anywhere to maintain the optimals performances of your electronic devices. Specifications: Component:ABS Size:Approx.8.4x2.9x1.7cm Option Color:Black,Blue; Package Includes: 1pc Digital Battery Tester note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.