The 21 LED White Ceramic Tower 1156 Bulb is a practical and efficient lighting solution. With 21 LED diodes, it emits a bright white light. Sold as a pair, this bulb is suitable for various applications. Its built-in ceramic heat sink prevents overheating, ensuring long-lasting performance. Additionally, it operates on a multi-voltage range of 12-24 volts, making it compatible with different vehicles and systems. Upgrade your lighting with this reliable and energy-efficient bulb.