Compatibility: These sewing machine led bulbs are compatible with most sewing machines with push-in bases, Compatible with SINGER models: 15-66, 15-88, 15-90, 15-91, 99, 201, 206, 221, 222, 301, 306, 319, 401A, 403A, 404, 500A, 503A, 200 series, 300 series, 400 series, 500 series, 600 series, 700 series, 800 series, 900 series.
Widely used:BA15D led bulb 6000k daylight white very soft and comfortable, CRI more than 80Ra, used in living room, kitchen, dining room, bedroom, office, corridor sewing machine light, chandelier, hoover light, reading light and table floor lamp, ceiling fan light, wall lamp.