American Lighting Dimmable LED CA10 Opaque Flame Tip Light Bulbs, E12 Candelabra Base, 2700K Warm White, 25-Pack Dimmable, LED replacement bulbs for indoor/outdoor light strings Professional grade LED lamps last 25,000 hours (6,250 days at 4-hours per day equals 17.1 years) Candelabra base, frosted light bulbs, warm white 2700K color temp CA10 bulb shape, 120-volts, 1.0-watt, 32-lumens 25-pack, candelabra base lamps, use with string light model: LS-C-12-BK