Applicable To 1.5v And 9v Battery Types And Button Cells Eg Aa Aaa C D 9v (for Details Please See The Pictures). Easy And Convenient To Use To Quickly Test The Capacity Of Your Battery In Several Sizes In One Device Quick Reading The Numbers Show On The Lcd And Indicates The Power Level On The Back There Is A List That Tells You Which Battery Is Compatible With This Tester Size: 17cm X 10cm X 3cm (6.7 X 3.9 X 1.2 Inches) Made Of Plastic Specifications This Battery Tester Lets You Know That The Voltage Of Your Old Or New Battery Avoids Wasting Allows You To Detect The Optimal Time To Change Batteries Of Your Remote Control Electronic Devices Baby Ect Toys Simply Simply D Insert The Batteries Or Batteries Into The Tester. Weight: 51g Black Color Plastic Material Package Included 1 Battery Tester And Batteries (aaa Batteries Not Included)