Home Sewing Machine LED Panel Working Light. Our new LED lighting panel kit is a super-bright cool white light system for your sewing machine, serger, longarm machine or other use. Featuring 30 individual LEDs on a panel, rotable dimmer switch and all the clips and tape you need to attach to your machine. 30 individual LED bulbs panel Easy installation Super bright, cool white light With dimmer switch to adjust brightness Fits most sewing machines and sergers 110 Volt Connects to AC wall outlet