Features 1、Made of high quality material: More durable and serve longer. 2、Multi-function sewing machine light bulb: E14 small lamp head 3 bead LED bulb. 3、Suitable for all multi-purpose household sewing machines with E14 screw. 4、LED lighting: white light, no heat, low power consumption, and much longer life than ordinary incandescent bulbs. 5、The bulb interface BA15D bayonet: no thread, suitable for old machine, the interface length is 20 mm. Specification Features: Made of high quality material: More durable and serve longer. Multi-function sewing machine light bulb: E14 small lamp head 3 bead LED bulb. Suitable for all multi-purpose household sewing machines with E14 screw. LED lighting: white light, no heat, low power consumption, and much longer life than ordinary incandescent bulbs. The bulb interface BA15D bayonet: no thread, suitable for old machine, the interface length is 20 mm. Specification: Product Name: Home multi-function sewing machine lighting bulb Material: plastic Type: E14 Screw / Bayonet (Optional) Package List: Light bulb * 1 Note: The bulb is a small lamp head with a screw diameter of about 14 mm/0.6 inch. Package List