【Super Bright】:Ultra bright 921 led bulb, each 912 921 LED reverse light bulb has 3020 21-SMD high brightness LED chips, 3 times brighter than the halogen yellowish backup reverse lights bulb.

【Great Heat Dissipation】 : 921 LED bulb reverse light bulbs,Integrated aviation aluminum material mold ensures efficient heat dissipation, built in intelligent IC driver makes the bulb more stable and durable, fast thermal diffusion, heat-resistant, ensure the secure temperature range and consistent brightness out to reach a long LED bulb life up to 50,000 hours service time.

【Upgraded Quality】: T15 912 921 led bulbs,build-in intelligence decoder, CAN-BUS error free for 98% vehicles, plug and play, simple as that. Instantly lit, without preheating. For newest European and US vehicles, extra load resistors maybe required to avoid the error code or blinkering issue.

【Widely Application】:921 bulbs,use for upgrading the stock halogen 921Y, 921G, 906, T16 T15 901 902, 904, 908 909 914 915 916 917 918 920 922 923 926 927 928 939 912KX, 912K, 921K, 921KX, 921LL, W16W, 912, 921 back-up reversing light bulbs, interior cargo trunk lights, 3rd brake stop lights, or center high-amounted stop lights lamp replacement for cars, trucks, RVs,etc.

【1-Year Warranty】: One Full Years of Warranty since purchasing date; if there are any questions or problems, welcome to email us first, we will respond and offer a good solution within 24 hours.