Computerized Direct Drive Flatbed Electric Fully Automatic Multifunctional Home Industrial Lockstitch Sewing Machine 
Model BT-7800D 
Needle DBX1 9-21# 
Gauge 0-5 
Number of Threads Single Thread 
Fabric Thin/Medium Thick/Thick 
Gauge Width 5 M M 
Presser Feet Lifting Height 1 2M M 
Automatic Thread Trimmer Yes 
Automatic Stitch Clamping Yes 
Motor 220V Standard 
Net Weight 40KG 
Gross Weight 42KG 
Max. Speed 3700 rpm 
Oil Supply Type Automatic Oil Supply
Drive Motorized 
Automatic needle stop yes 
Automatic backstitch yes