Holiday Essence 60 LED Mini Christmas Lights, Multi Color, Professional Grade for Indoor & Outdoor Use - Energy Efficient LED Bulbs - Green Wire - UL Certified * INDOOR/OUTDOOR * Safe for Indoor and Outdoors Use! * SUPER COOL * Bulbs are Cool to the Touch when Lit! * DURABLE * Bulbs are Break, Fade and Chip Resistant * EXTRA LONG * Total Length of Lighting String is 16 Feet (4.9 Meter) - Safety Fuse - Can connect multiple light strings, A maximum of 45 of these light strings can safely be connected. * LONG LASTING * 25,000 Hour Average Bulb Life