Features： 1、[Durable Material] The product is made of high quality ABS material, which is durable and can be used for a long time. 2、[Accurate Screen Display] The screen display the battery health status, it will accurately display whether the battery is in a poor, weak or good voltage state. 3、[Clear To Read] Digital display battery checker, convenient measurement, easy to read, with clear reading. 4、[Easy To Carry] This battery tester is light in weight, small in size, convenient to carry and store out, and meet your various needs. 5、[Widely Application] This product is widely used to detect battery power, suitable for carbon, zinc, and alkaline batteries. Specification： Item Type: Battery Tester Material: ABS Test Battery Type: D type batteries, AA type batteries, AAA type batteries, N type batteries, button batteries, stacked batteries Battery: 1.55V button battery (Battery Included) Battery Capacity: 150mAh Application: Used to detect battery power, suitable for carbon, zinc, alkaline batteries Package List： 1 x Battery Tester (Battery Included)