Light Tester: Now you can locate the single bulb that disrupts the entire string in one easy step! Simply point this clever light bulb tester at each light on the string to find out if it's causing the problem. You can even test individual bulbs as well. Requires 2 cell batteries (included). Measures 5-1/2"H x 1-3/4"W.
Light Tester: Now you can locate the single bulb that disrupts the entire string in one easy step! Simply point this clever light bulb tester at each light on the string to find out if it's causing the problem. You can even ...
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