K1AE 3.7V Rechargeable Multifunction Rotary Tool Set 18000rpm Five Speed Adjustable Grinder for Polishing and Engraving

Battery Included : No High-concerned chemical : None No-Load Speed : 5000-18000rpm Power Source : Other Certification : NONE Model Number : LILIDONGHUA88 Origin : Mainland China Rated Voltage : 3.7V Type : Other Power Source : Electricity Motor : Brushless Use : Home DIY Component : Metal Plastic Battery capacity : 1800MAH Charging method : USB charging