The PSY24WSV automotive bulb is a single beam lamp that utilizes Halogen technology. It has one filament and a P24s base. The nominal power of this bulb is 24 volts and 70 watts. It is commonly used as a replacement part for fog lights and parking lights. The PSY24WSV bulb has a usual lifespan of 2 years. Its name is deciphered as follows: PSY stands for the bulb's shape, 24 represents its voltage, W indicates that it uses Halogen technology, S means it is a single beam lamp, and V stands for its approved use in vehicles. This bulb is interchangeable with other bulbs such as H3 and H4. It is usually used in reflector headlights and produces 1450 lumens with a color temperature of 3200K.