2. This product uses typical alternating current with frequency period, and the equipment generates high-speed vibration to drive the high-hardness metal drill bit, so it can be carved calmly.
3, vibration lettering, 5 speed adjustable.
4. The shell is made of impact-resistant plastic.
5, the pen holder is made of tungsten steel alloy, durable voltage power: 220V 25W power supply voltage: 220V maximum power: 15W output current: 0. 1A electric stylus: 3mm.