GENSSI 921 6-SMD 5630 Projector Reverse Backup LED Light Bulb (Pack of 2) Genssi high performance LED bulb; Fits reverse backup bulbs of many vehicles with bulb size: 921 (T10 Base) Canbus - Error Free Design - Prevents computer bulb out issues on 98% of vehicles Fits like the original bulb - Slightly larger 24 mm long High output Samsung 5630 SMD chips with front projector give more light than the factory bulb Pack of 2; Cool white color similar to HID bulbs