HQRP LED Bulbs are high-quality and high-efficiency LED lights, and have lots of advantages as compared to incandescent bulbs. Compatible with Singer 755 / 756 / 758 / 770 / 774 / 775 / 776 / 778 / 900 / 1022 Sewing Machine.Compatible with Bernina 530 / 534 / 540 / 640 / 642 / 701 / 707 / 708 / 709 Sewing Machine.Compatible with Pfaff 1050/1150 / 1520/1530 / 1540/6150 Sewing Machine.Compatible with Juki HZL-25Z / HZL-35Z Sewing Machine.Compatible with Janome (Newhome) 1822/3125 / 3434D / MC4018 / My Excel 4023 / MX3123 / TB-12 Sewing Machine & Serger.Compatible with Simplicity SL415 / SL803 / SL804 / SL804D / SL843 / SL1650 / SL6220 Sewing Machine.Compatible with Husqvarna Viking 630/630 N.S. / 3610/4100 / 4300/4500 / 4700/5610 / 5710 Sewing Machine. HQRP BA15d Base 64 LEDs SMD 3014 LED Sewing Machine Light Bulb Warm White 3500K 3W 120V AC. Efficiency – due to low energy consumption HQRP LED bulbs consume several times less energy than incandescent bulbs in the same operation period, while output lumen of our LED lights is no less than of the corresponding incandescent bulbs.Safety – due to the use of LED technology our LED lights are not heated, unlike incandescent bulbs, so there is no hazard of burning your hand if you work near a LED light or touch it during operation.Durability - due to high quality materials used in our LED lights, service life duration of HQRP LED Bulb by more than 30 times exceeds incandescent bulb's service life duration. Using our LED lights, these benefits may provide you with huge savings of your money and a reason to forget about incandescent bulbs forever.