Random Twinkling C7 LED Christmas bulbs and lights for adding a shimmering effect to you special event or display. These twinkle LED C7 bulbs are perfect for Large or small outdoor trees, wreaths and garlands. You can also try using a mix of twinkle and non twinkle led c7 bulbs and a real classy and elegant look. Our twinkling c7 LED bulbs are for UL listed for indoor and outdoor use, have a 50,000 hour bulb life, are ultra energy efficient and fit an candelabra e12 base.  Use these LED C7 Twinkle bulbs with our C7 Stringers, our Heavy Duty Candelabra (e12) Stringers, or our Vintage e12 Twisted Wire Strings with Bakelight Sockets .