HQRP 110V LED Light Bulb Warm White for Singer 403A / 501A / 503A / 620E / 630E / 640E / 66-16 / 99K / CG-500 / CG-550 Sewing Machine plus HQRP Coaster HQRP&reg; LED Bulb plus HQRP&reg; Coaster; Base: BA15d Double Contact Bayonet Base; Lumen: 300-350; Working Voltage: 110V AC; Power: 3 Watt; LED: 64 LEDs; Lumen Color Temperature: Warm White 3500K; 200 days warranty!