The PY24NA automotive bulb is a single beam lamp that utilizes halogen technology. It has one filament and a P20d base. Its nominal power is 12 volts and 24 watts. This bulb is commonly used as a replacement for turn signal lights and is compatible with other bulb types such as 7440 and 7444. It is designed for use in reflector headlights and has a lifespan of approximately 300 hours. The name PY24NA is deciphered as follows: "PY" indicates the bulb shape, "24" indicates the wattage, "N" indicates the type of filament, and "A" indicates the base type. This bulb produces around 180 lumens and has a color temperature of 3200K.