<b>Still Harassed by How to Distinguish Between Died and Good Batteries from Tons of Loose Batteries Collected Over Years?<br> If so, Here is the Ideal Place to Help You Solve it!</b><br> <br> <br> In old days, you had to find a little transistor radio or some other device & spend half an hour plugging every single battery in to see if would run said device. <br> But now, say goodbye to such stupid action since you are going to living with experienced assistant---Dlyfull Universal Battery Tester<br> <br> <br> <b>Main Features:</b><br> ★ Easily check the battery status for most of your general household batteries<br> ★ Works well with variety of popular battery sizes(AA, AAA, CR123 etc.)<br> ★ Easily operate & affordable for most of you<br> ★ Large LCD display clearly shows the results<br> ★ Powered by 1x AAA battery(battery included)<br> ★ Anti-slip finish holds comfortable & use safety<br> ★ Certificated by CE/RoHS/FCC<br> <br> <br> <b>What is Included</b><br> 1x Dlyfull Universal Battery Checker<br> 1x AAA battery(pre-installed)<br> 1x User Manual<br>