Lamsky BA15D LED Double Contact Bayonet Base Sewing Machine Bulb 120 Volts,T3/T4/C7/S6,4W Daylight 6000K,LED 40W Halogen Replacement Bulb,No-Dimmable (4-Pack) The Ba15d bulb has a viewing angle of 360 degrees. It fits the halogen socket as a perfect replacement that produces less heat and an equivalent amount of light. It is mostly used as sewing machine light, vacuum cleaner light, reading lamp and desk lamp. It uses the powerful 51pcs cooper bracket and gold-line packaging 2835SMD LEDs to emit the comfortable lighting. Lower Consumption and Higher Brightness. Using 4 watts for up to 380 lumens of brightness, equivalent to 35W incandescent bulb. Save 90% on electricity bill of lighting. Easy to install, plug and play. Please note this BA15D LED Bulb is powered by AC 110-130V circuit. BA15D LED bulb 120v can be typically used in appliances, such as reading lamp, pendant light, sewing machine light, vacuum light, etc.