Don"t Guess Which Batteries to Keep and Which to throw Away, Place your battery between the two points of the battery tester, and the easy-to-read display will tell you instantly whether you have a dud, or if you can eke out another few minutes of battery life. Package include: 1×Battery tester1×Luckystone® Cable Tie（Color random） Pls Note: If you receive a parcel without Luckystone® Cable Tie,that"s fake product, please report this to Amazon immediately and get your money back!