What's Included: You will get 2 pieces of battery testers enough for your daily needs and replacements without additional battery activation, bringing you a nice convenience Versatile: These battery testers can be applied to test a variety of household batteries, such as AA, AAA, C, D, 1.5V, 9V and button batteries, which is a practical tool in your everyday life Reliable and Safe: Made of quality ABS material, the battery tester is isolated and lightweight, can test household batteries simply and effectively, which is safe and reliable to use, and you can use it with confidence Simple to use and easy to read: The battery load tester simulates and displays needle movements on a color-coded calibration scale to quickly identify battery status, e.g. green represents good, yellow represents low and red means you should replace or recharge your battery Practical tester: the battery tester for small batteries is ideal for home and office use, which can quickly check the battery usage and is useful for regular battery users; It's a essential tool for people at home