... , It’s convenient to install on all kind of sewing machine. Widely used in garment, such as bra, underdress, swimsuit, ... change by fingerincludedLED indicate screenincludedCompensation (adjustable)includedPower supplyAC 100~240V auto switchOder Guide:HDE8 - C PEGASUS / SY 1 2 3 ... , K for overlock, and C for coverstitch3, Adaptable sewing machine brand and model4, SY is short for synchronizer, witch is ...