- Model
- Engraving Pen 104
- Rated Voltage
- 3.7V / 4V DC
- No-load Speed
- 18,000 RPM
- Max Torque
- 55 g·cm (stall torque)
- Chuck Size
- 2.35mm Metal Chuck
- Battery Capacity
- 300mAh Polymer Battery
- Charging Interface
- Type-C
- Charging Time
- ~30 Minutes
- Charging Input
- 5V-1A
- Working Mode
- Supports Charging While Using
- Speed Control
- 3-Speed Adjustable
- Indicator
- LED Light Display
- Motor Type
- Carbon Brush Motor
- Product Size
- 119 × 16 mm
- Net Weight
- 40g
- Housing Material
- ABS + Aluminum Alloy
- Bit Material
- High-Speed Steel (25–30 HRC)
- Working Temperature
- 20°C to 45°C