Creative Hobbies Box of 25 Red Twinkle Blinking Light Bulbs, Random Blinking, 7 Watt, C7 Candelabra Base -Great for Night Lights and Christmas Strings Creative Hobbies Box of 25 Candelabra Base, C7 -Red Twinkle Blinking Light Bulbs. Great for Holiday Villages, C-7 Christmas Light Strings, decorative fixtures, night lights and more. Threaded base of bulbs is approx. 7/16" in diameter. 7 watt, 120 volt, Random Blinking, Avg Life 1500 hours. Made in China