Clear Christmas Lights: Transparent mini bulbs with 1.2V voltage and 0.41W power each, built-in fuse for safety, 2 replacement bulbs and 2 fuses included | Connectable String Lights: UL certified plug for safe use, each light string with tail plug for easy end-to-end connection, up to 5 sets together | Warm White Lighting: Vivid warm white light from durable green wires, perfect for festive indoor and outdoor decoration | Indoor & Outdoor Use: Waterproof design for indoor and outdoor use, ideal for bedrooms, living rooms, balconies, trees, weddings, parties | Wide Application: Bright mini incandescent lights for Valentine's Day, St. Patrick's Day, Easter, Halloween, Thanksgiving, Christmas and other celebrations