Details:
 Material: Aluminum
 Motor: Japanese DC Motor
 Stroke: 3.5mm
 Start Volt: 2.8V DC
 Operating voltage: 4-12V DC
 Stitch Frequency:: 50-190HZ
 Connection: RCA Jack plug
 Fit needle: all cartridge needle in the market
 Packing: 1PC machine + 1PC cartridge grip