The wire is about 10cm long and the wire color is random.[Compatibility]: Compatible with many bulbs, such as 1016, 1053, 1152, 1154, 1157, 1158, 1493, 2057, 396, 3497, 7528 (Dual) P21 / 7528 7537, 210,82 on 1004 68,64 on 1196,90 4 BAY 15D 7528D 7225D 1634, 88 on 1594 and 1349,94, 1152 on 1176, 1142 on 1076, 1154 on 1034.[Compatibility]: Compatible with many bulbs, such as 1016, 1053, 1152, 1154, 1157, 1158, 1493, 2057, 396, 3497, 7528 (Dual) P21 / 7528 7537, 210.82 on 1004 68.64 on 1196.90 4 BAY 15D 7528D 7225D 1634, 88 on 1594 and 1349.94, 1152 on 1176, 1142 on 1076, 1154 on 1034.Features: High efficiency, good heat resistance, good high temperature resistance, never melt. Suitable for extension and replacement, providing maximum output power. Allows you to easily install a replacement LED conversion kit without modifying or destroying the previous socket. High efficiency, high strength, good heat resistance, never melt. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.