Details
Check your watch batteries with this easy to use tweezer battery tester S1 DELUXE ULTRA-STAR. Tweezer instantly shows reading. Simply press both sides of tweezer positive and negative on watch battery for instant results. The light at the end of the tweezer will illuminate if battery working. Tweezer tester will work for 1.5 - 3 volt batteries and watch button cells. A great gadget for hobbyist watchmakers and watch collectors.