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Mini Incandescent replacement bulbs (7 volt). Includes 8 clear bulbs and 2 flasher bulbs. Indoor/outdoor, can be used to replace any color, compatible with all modern stay-lit bulbs
7 volt bulbs are used in 15 and 19-count light strings (usually in tree tops), and for 20 or 21-count fancy clear light sets
The bulb size is the same regardless of voltage, you will not be able to tell the voltage by looking at the bulb. Please refer to manufacturers instructions or chart on this page
Replace by hand, or, works with Lightkeeper bulb replacement tool.

Description

Mini Incandescent replacement bulbs (7 volt). Includes 8 clear bulbs and 2 flasher bulbs. Indoor/outdoor, can be used to replace any color, compatible with all modern stay-lit bulbs. 7 volt bulbs are used in 15 and 19-count light strings (usually in tree tops), and for 20 or 21-count fancy clear light sets. 7 volt will not work in long strands of string lights. String lights in increments of 50 (100, 150, 300, etc) require 2.5V. String lights in increments of 35 (70, 105, 140) require 3.5V. The bulb size is the same regardless of voltage, you will not be able to tell the voltage by looking at the bulb. The original packaging/box for your string lights or manual is the best source for instructions on replacing burned out bulbs. Some string lights may print voltage on the tag near the power plug. Counting the number of bulbs in one string will usually tell you which voltage is required. Flasher bulbs are options - install in the first bulb in the string, and the entire sting will flash intermittently. Replace by hand, or, works with Lightkeeper bulb replacement tool.