F4 DB×1 11-18# 2 5 5-13 5000 Standard Standard √ √  
F4-H DP×5 18-21# 2 5 5-13 5000 Standard Standard     √
F4-7 DB×1 11-18# 2 7 5-13 3500 Standard Standard   √  
F4-H-7 DP×5 18-21# 2 7 5-13 3500 Standard Standard     √

Automatic-dormancy

Automatic dormancy

Direct drive integration, intelligence

Safety-switch

Safety switch

Direct drive integration, intelligence

High-voltage-protection

High voltage protection

Direct drive integration, intelligence

For-light-and-heavy-fabric.

For light and heavy fabric.

Enlarge the sewing range, suitable for various of fabrics like yarn and jeans.

Easy-and-smart-panel

Easy and smart panel

One key to speed adjusting, needle positioning and reset

Standby-Condition.

Standby Condition

Working-Condition

Working Condition

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