Made of high-quality ABS insulation plastic, lightweight and compact, convenient for battery checking. Practical Battery Checker: Maximize your battery usage by testing for dead batteries and reducing unnecessary waste. LCD Screen Display: Easy-to-read analyzer will accurately show whether the battery is in poor, weak, or good condition of voltage. Easy to Use: Simply place a battery into this battery detector, it will show you quickly the status of your batteries health, No battery power required for operation. Wide Application: Ideal battery capacity testing tool can be used to test different types of household batteries like AA, AAA, C, D, 9V battery and 1.55V button cell. Size: 92 x 65 x 14mm Color: black, silver(optional) Package Includes: 1 x Battery TesterProducts from He Wei's store