Features:*High Quality Material: This product is made of high-quality material, which is wear-resistant and durable, can be used for a long time.*Compact: The watch battery tester is fairly lightweight, with a mini size, and easy to carry.*With this battery tester, you can know your battery is good, low, or needs to be replaced.*Fast Checking: Simply place a battery into the decent battery detector, it will shows you quickly the status of your batteries' health by the using bar.*Easy-to-use analyzer shows what you need to know about your batterys health, it will accurately shows whether the battery is in poor, weak, or good condition of voltage.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Material: PlasticSize:5.5*2.8*10cm