The H4703 automotive bulb is a halogen bulb with a single beam and one filament. It is commonly used as a replacement for low beam headlights in older vehicles. The bulb has a standard three-pronged P43t base and operates at 12 volts and 65 watts, producing around 1200 lumens with a color temperature of 3200K. Its life span can vary from 300 to 1000 hours, depending on usage.
The name H4703 indicates that the bulb is a halogen type with a rectangular shape and dimensions of 4.7 x 6.5 x 3.2 cm. The H4703 bulb is interchangeable with other bulb types such as the H4 and 9003. It is used in reflector headlights.
