Error Free 16W High Power 3156 3157 4157 6000k HID White 15-smd LED Light for DRL Daytime Running Light Fog Light Backup Light (Pack of 2) Built-in CANBUS I.C chip. Fits 3156 3056 3157 3057 4157 socket 15 pieces 3528-smd LED chips, metal material for better heat dissipation Light color: 6000k pure white Operation voltage range: 10V-14V DC Total length: 2.4 inches (6.1 cm) (including the plug-in portion)