
Simply hook them up correctly to a battery (9 volt - 12 volt, I have been using a basic 9 volt), and they work great. Lots of them for a small price. Easy to use.

EDGELEC 180Pcs 5Mm 9 Colors X 20Pcs Assorted LED Lights Flat Lens 1.14In Long Lead + 300 Resistors (DC 6-12V) Bulb Lamps Light Emitting Diode Kit
6 Review

π Chanzon 120pcs (6 Colors x 20pcs) 12V 5mm LED Diode Lights 24awg Tinned Copper 7.9 inch UL Wire Assorted Kit Pre Wired (Diffused Frosted Round Lens) LED Assortment in White Red Green Blue Yellow Orange Emitters
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Upgrade Your Car'S Interior Lighting With Phinlion Super Bright Green LED Bulbs - Pack Of 4
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Adjustable Focus 405Nm Blue Violet Mini Dot Diode Module Head With 100MW Power For DC 3-5V Micro Tubes
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π Enhance Your Electrical Work with Klein Tools 69411 Accessory Adapters
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π Bussmann GMA 5A Acting Cartridge Listed: Reliable and Efficient Cartridge Fuse for Your Automotive Needs
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π Bussmann MDL 2 Glass Delay Slow Blow
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Acoustic system BEHRINGER Eurolive B115D black
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