Cutequeen Trading Led White 2835 54smd 54-smd 1080 Lumens 3157 3457 3057 4157 LED Turn Signal Lights please use the keyword (CK or Standard Test) on youtube ,the video will tell you how to test the socket.&lt;br&gt; please do not leave Less than three star review if you bought the worng type , we accept Unconditional return policy with 30 days.&lt;br&gt;54pcs 2835 SMD chips for superior brightness and high energy efficiency. Only for 12v DC,Lighting output: about 1080 lumens for each bulb20 to 25 lumens/chip) Color:6000K-6500K Xenon White.Size: 1.77" long,0.78" in diameter Use for back up reverse lights,daytime running lights,turn signal lights,tail lights,brake lights etc. Notice :please check before you buy item,Our items come with Standard Base, NOT SRCK base, put standard bulbs into CK type sockets ,the bulb will look dim ,or may blown Insurance at once. &lt;br&gt; If you are not sure your socket type standard Or CK,