Features & Application :

1. 12VDC: Car/Motorcycle/Scooter
2. 24VDC:Truck/Trailer/Boat (some boats are compatible in both 12/24V)
3. Usually can be divided into 4 standard types: 31/36/39/41 mm,suitable size is determined by various cars
4. Mostly used for car interior reading lighting or plate light.
5. 31mm = 1-1/4″, mutual replaced by 3021 3022 3175 6428 6430
6. 36mm = 1-3/8″, mutual replaced by 3423 3425 6411 6418 6461 6423 6486X 7456
7. 39mm = 1-1/2″, mutual replaced by 3423 3425 6411 6423 6461   
8. 41mm = 1-3/4″, mutual replaced by 211 212-2 214-2 6413 6429 4410