The 1156LL long life replacement bulb is a quality auxiliary replacement bulb that will last up to 2 times longer than regular bulbs for continuous use. The bulbs have a sustainable design for reduced environmental impact - no mercury or other hazardous substances used in the making of these bulbs. The nickel-plated brass base contacts for superior connection over time. Ideal for daylight, parking back-up, tail, turn signal, side marker and stop light bulb replacement. Package includes 2 bulbs.