10PCS T5 Bright 1 LED Mini Wedge Convex Lens Light Dashborad Bulbs DC12V Interior LED Lamp White Base type:T5,LED Type:5050 1-SMD,20 Lumen. Color:White (with 181 degree light output) Only for DC 12V vehicles. Notice:All LED bulbs have to be plugged in a certain way,it has Positive and negative, so if they don't work at first, quickly take them out, turn them around 180 degree, and put them back in again. Direct replacement for all T5 Wedge Type 17 18 27 37 58 70 73 74 79 85 86 2721 Thies Yu Will Put one paper with Our company Stamp inside the package boxes. If you receive the product without this paper stamp, You can claim with that fake seller to get your money back. The fake seller should gurantee " No return and money back".