Finds and fixes problems with faulty miniature light setsNew patented technology brings you an easy-to-use system for detecting and repairing those miniature light sets that cause you so much grief each year. A built-in continuity detector, with
How to Make a Mini Christmas Light Bulb Tester. Test your mini-lights to see if they work and need to be changed instead of going out and buying a whole new strand or one of those expensive light testers that don't seem to work like they.
▶ Light Keeper Pro Mini Christmas Light tester - YouTube ~ uploaded Dec 11, 2008 Light Keeper Pro, great for fixing your broken or faulty Mini Christmas Light sets! Video provided by All American Christmas Co.