5000-10000-15000r Mini Grinder Engraver Pen Cordless Electric Grinder Set Engraving Grinding Machine Polisher Electric Drill Kit

Type name:  3-speed-Drill

Battery:700MAH Lithium Battery

Charging time:2hours

Clamping range: 1-3mm (The default 3mm chuck)

Speed:0/5000/10000/15000rpm/min

EngravingOutput Voltage: 3.6V

Rated Input Power: 22W

Rated Voltage: 110V~220V

USB:micro USB charging