Always Use High Latest LED Technology 3014 SMD,Very ! Up to 50K+ hours life time. Energy Saving! They have been tested in many , Great quality in terms of brightness and stability. This new product is much safer! Brighter! Work with new CAN-BUS wiring system, No Error Messages, Warnings or Rejection;Built-in Constant Current Drive,when current unstable LED also can work normal,do not burn out and light intensity is constant,therefore more durable; Work with new CAN-BUS wiring system, No Error Messages, Warnings or Rejection;360 degree viewing angle:The 3 dimensional design of this item let it lights up front and all side, if the light housing comes with reflection design, this item will shine up the whole housing well and gives an amazing lighting effect. Common use for Car, Truck, Trailer, RV, , Boats Light, Apply for Turn Signal Light, Backup Reverse Light, Tail light, Corner light, Stop light, Parking light, Side marker light, Reference Part Number:7440, 7440A, 7440AL, 7440NA, 7440LL, 7440ST, 7441, W21W, WY21W, 7443, 7444NA, 7443LL, 7443-, T20, 7440ANK, 7440K, 7444NAPLL(For Reference Only). Specification: Model:7440 Light Color: Yellow Color temperature:4800K For DC 12 volts- 30 volts Lumens:3000-3200L Work Temperature:-40-+85'C Lifespan:Above 50000 working hours colour: black Material: Aluminum Alloy Package Contents: 2 * 7440 CANBUS ERROR FREE LED Lights Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.