---(Set of 2) Fully 2 Years Warranty. Chips: 9 pieces high quality,high power with high performance CSP led chips per led bulb ---360 degree full angle illumination with projector lens design ---6063 aviation aluminum heat material, Working Voltage: 12V~18V with built in IC driver for better working performance; ---Cross Reference Number: 3056, 3156, 4114, 3057, 3157, 3457, 3047, T25, etc. ---Application: only used for back-up reverse lights. CANBUS error free design, for most vehicles, just plug-n-play, yet for some vehicles with CAN-BUS system, load resistors maybe required to avoid the error code. ---1300 lumens per bulb, total 2600 lumens, at least 500% brighter than stock dim lamp. --- [ ] (https://www.ebay.com/itm/Top-quality-US-seller-100-Satisfaction-Tech-support-/183114957410) --- [ ] (https://www.ebay.