Cordless Angle Grinder Kit, 4-1/2'' 9000rpm Brushless Motor, 3 Variable Speed, Electric Grinder Power Tools with 20V 4.0Ah Battery & Fast Charge

VEVOR Cordless Angle Grinder Kit, 4-1/2'' 9000rpm Brushless Motor, 3 Variable Speed, Electric Grinder Power Tools with 20V 4.0Ah Battery & Fast Charger For Cutting, Polishing, Rust RemovalComfortable GripEfficient Heat DissipationOutdoor or High-altitude UseNo Installation Tool RequiredSafety LockingMulti-functional AccessoriesMax. Speed: 9000 RPM,Adjustable Speed: 3 Speed Adjustment,Grinding Wheel Size: 4.5 in/115 mm,Max Input Current: 1.0A AC 110-240V,Output Voltage (no load): 21.6±0.4V,Max Output Current: 0.8±0.13A