Bulb size: LED: 51mm (length) * 16mm (base diameter), with one 5630 33SMD LED high brightness, brighter than standard bulbs ordinary incandescence. Long life and lasts about 50,000 hours. Suitable for: 1156 BA15S P21W 1141 1095 7506 1156 1156A 1156NA 1073 1093 1129 1141 1159 12088 1259 1295NA 1459 161 9 1651 1680 3496 5007 5008 7527 199 2396 3497 631 93 97 97A 97NA. Applies to interior and exterior auto parts of most cars, SUVs, vans, motorcycles, scooters, trailers, trucks like brake lights, fog lights Rear, Parking Lights, Tail Lights, Parking Lights, Side Marker Lights and Interior Camper Caravan Bulbs. The outer shell is made of aluminum, which is good for heat dissipation. Lights up without delay, effectively preventing rear events. Easy to use. install, no need to change the original car route, plug and play.