Operation & Features: The machine features a computerized system with both manual and automatic operating modes. Key features include a one-shaft design for smooth and quiet operation, a cooling fan system to prevent overheating of electronic components, an LED lamp with adjustable brightness, and a simple control panel with a one-touch factory reset function. \nFabric Versatility: It is designed to handle a wide range of materials, from thin gauze to multiple layers of denim, producing consistent and high-quality stitches. \nDesign & Build: The A3 has a robust metal construction designed for durability and minimal vibration during operation. It often comes in a white finish with blue and grey accents. \nSpecifications \nFeature Specification Source \nMachine Type Computerized, Automatic Lockstitch \nMax Sewing Speed 4000 - 5000 stitches/min (SPM) \nNumber of Needles 1 \nNumber of Threads 2 \nStitch Length Max 5 mm \nNeedle System DBx1 (sizes 11-18#) \nHeight of Presser Foot 5 - 13 mm \nMotor Power 550 W (Direct Drive Servo Motor) \nWeight ~40 - 46 kg (Net/Gross)