7440 7441 SMD LED White Light Bulbs 12V 18 SMD-LED Turn Signal Light Corner Light Stop Light Parking Light Side Marker Tail Light Backup Lights (2 Pack) 7440 / 7441 bulbs are used in backup bulbs of vehicles Single mode (On / Off only) BRIGHT: 18 Ultra bright 2835 SMD per bulb up to 350 Lumens MORE WHITE: Pure White 5500K-6000K Pack of 2; DURABLE: Lasts up to 10x longer than regular bulbs; vibration and shock proof