Combining durability with energy efficiency, the Festival H12 is yet another powerful solution for designers of lighting everywhere. These small but powerful decorative bulbs come in white, amber, red, green, and blue. Festival H12 bulbs operate on standard, worldwide voltages (both AC and DC). Manufactured with UV-protected polycarbonate materials and utilizing gapless manufacturing, the Festival H12 is rated for both indoor and outdoor use. And it's use of fire-resistant polymers means the H12 is also the choice for the safety conscious. These lamps last beyond 35,000 hours many, many times more than traditional, incandescent light bulbs. That means less bulb changing and large reductions in maintenance costs. Best Ultra-low power consumption and free of heavy metals like mercury!