The PWY24WSVHTR automotive bulb is a dual beam lamp that utilizes Halogen technology. It has two filaments and is commonly used as a replacement part for headlights, fog lights, and parking lights. This bulb is typically used in reflector headlights and has a usual lifespan of 1-2 years. The name PWY24WSVHTR is deciphered as follows: PWY indicates the bulb type, 24 indicates the wattage (24 watts), W indicates the base type (wedge), SV indicates the bulb shape (straight), HTR indicates the bulb's special features (heat resistant). The base used for this bulb is P14.5s. Its technical specifications are 24 watts and 12 volts, with a brightness of 340 lumens and a color temperature of 3200K. The PWY24WSVHTR bulb is interchangeable with other bulb types such as H3 and H4.