2x High Power 6000K Xenon White 3156 3056 LED Backup Reverse Light Bulbs For GMC Yukon XL Savana Envoy Canyon Sierra Denali Fitment: Applicable to Most with 3156/3157 Socket. This high power 3156/3157 Light bulb will replace the stock 3156 3056 3157 3057 3457 4157 bulb for backup reverse lights. Equips with high power FLUX LED emitter plus 3x optical projector to maximize the lighting output Wattage: 5W/Bulb(5W/CREE LED) + LED Number: 1 x CREE LED Package includes: 2 x 3156/3157 CREE LED Light Bulbs