GENSSI 921 50W Car Reverse Backup LED Light Bulb T10 (Pack of 2) For T10 sockets; Larger than standard T10 bulbs Cool White Color; Voltage input: 12V-15V DC Ultra Bright 500-630 Lumens provides more light than your factory bulb May not fit all locations; Length: 1.8 Inches (47mm). Width: 0.5 Inches. Base Width: 11mm Pack of 2