See More Detail :
https://www.amazon.co.jp/dp/B0B2PF8M1W
Specifications:
Voltage: 12V Max
Pad Size: 3 Inch
No-Load Speed: 0-2600RPM/0-7800Rpm
Rechargeable Battery: 1500mAh Lithium-Ion
Battery Charger Voltage Rating: Ac 100-240V 50-60 Hz
Charge Time: 3--5hours
Overall Size: 25x20x8cm/9.8x7.9x3.1in
Net Weight:2lbs
