C7 Transparent Incandescent Christmas Replacement Bulbs - Outdoor Lighting - String Lights - Christmas Lights 500 bulb case of Traditional C7 Transparent Christmas Lights have bright and vibrant coloring that will provide years of use for your Christmas light display. These 5-watt, 120-volt bulbs with candelabra;base will shine for 3,000 hours and have Nickel-coated bases prevent corrosion. These transparent C7 replacement lamps can be used inside or outside to decorate roof lines, patios, Christmas Tree's, and walkways. Candelabra base (C7/E12) 2-1/4"" tall and 1"" wide. These bulbs screw into our C7 stringers (25' ,100'), our E12 Heavy Duty (25', 100' ,330'), our commercial grade bulk 1,000' C7 Spool;as well as our vintage 250' Twisted Wire E12 Heavy Duty Spools. 500 Bulb Case of Transparent C7 5 Watt Bulbs 3,000 Hour Long Life Lamps 120 Volt 5 Watt Bulbs Indoor and Outdoor Use Candelabra Base Nickel Coated E12/C7 Base REPLACEMENT BULBS ONLY - C7 STRING SOLD SEPARATELY Your satisfaction is our #1 priority and if you have any issues at all please us and we would be more than happy to assist. Ordering the wrong size bulb is common so please reach out with any bulb size questions.