If anyone is interested in using this, please let me know. Red x 1, Black x 1 These are not made by amateurs. They are made by a certified automotive electrical technician, so you can use them with confidence. For passenger cars, they can be used for audio, ETC, LED decorations, etc. For trucks, they can be used for side marker expansion, sign lights, decorations, etc. Compatible with both 12V and 24V. Thank you. We have plenty in stock, so the price will vary depending on the quantity. I have other items for sale as well, so please take a look.