OPT7 7440 T20 Advanced Bright 13-SMD LED Bulb - Brake Tail Light Reverse Signal Backup Bulbs - White 13-Advanced Bright SMD LEDs lights per bulb Advanced Bright technology allows OPT7 LED's to last 20x longer than halogen, and 3x longer than other LEDs Solid State design makes it 100% water, shock, dust, and rumble-proof Direct Replacement makes install is simple, quick, and customizable Includes a hassle free 1-year manufacturer's warranty