I was skeptical because of the negative reviews but I really needed something to test all my Christmas lights before I just throw them away. I AM SO HAPPY TO HAVE THIS! I've wanted it for YEARS! This little tester saved me a lot of headaches and money! I was about to throw away my Christmas lights because they were gone, but something told me not to. This tester allowed me to test each bulb individually to find out which bulbs in the string were bad, replace them with working ones and save my strings of bulbs! It's tiring. YES, but if you have nothing else to do and can kill time testing out the Christmas lights in July and watching Christmas Movie Marathons in July, you'll save yourself tons of time, money and peace of mind when the holidays are over! Thanks to this tester, I was able to check fuses, light bulbs and the presence of electric currency in every socket! EXACTLY WHAT I NEED!π
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