Environment is life, pollution is death. The Simple Things You Can Do to Help Protect the Earth: Reduce, reuse, and recycle. Cut down on what you throw away. There are a lot of used batteries at home. It is difficult to tell whether there is electricity, and if you lose it, you will waste it. Now dont worry anymore! Great digital battery tester will tell you if your battery is good, low, or needs to be replaced. MAIN FEATURE LCD SCREEN: Easy-to-use analyzer shows what you need to know about your batterys health, it will accurately show whether the battery is in poor, weak, or good condition of voltage. HIGH COMPATIBILITY: Wide test range includes C, AA, AAA, D, N, 9V(6F22) batteries and 1.5V button cell. REMARKABLY COMPACT: One of the smallest and lightest portable battery checker. A pocket-friendly compact chassis with an anti-slip finish enables a firm grip in your hand for battery checking. MATERIAL: ABS construction, durable for long time use. USE METHODS: Simply place a battery into the decent battery detector, it will show you quickly the status of your batteries health by using bars, helps you avoid battery damage from unnecessary recharges. SPECIFICATIONS Package Include Notes: 1. Please allowed 1-3mm differences due to manual measurement, thank you for your understanding! 2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item