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Industry Information
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How to choose high-power High Quality LED Flashlight? look at the light bulb 1. Look at the number of heads, the number of heads should be moderate. Household use generally does not exceed 12 heads, and it is better to use 2 to 3 batteries. If it is...
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Homemade led flashlight step tool / raw materials: Electric iron Hand grinding Utility knife 350 ohm resistor 1 1 IN4007 LED Silicone rubber and thermal curing adhesive AB glue 1WLED1 15 degree condenser lens 1 18650 lithium battery (to be charged...
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one look at the bulb 1, number spectacle, the first number to be moderate. Household generally not more than 12, use the battery in Section 2-3 is good, and then a bit big waste for other special needs you may need to set ourselves. Of course,...
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