Feature: 1. 2PCSx21V 4.0AH Batteries: Cordless angle grinder is equipped with two 21V 4.0Ah large-capacity lithium battery and a fast charger that has been tested for multiple charging cycles, with charge and discharge protection, which means grinders power tools full day of operation is perfectly feasible. 2. High Quality Efficient Motor: Power angle grinder equipped with a powerful brushless motor and high-quality copper core motor, it delivers lightning-fast 9000RPM no-load speed for smooth and effortless cutting and grinding, prevent burning machine. Super heat dissipation, three-dimensional heat dissipation, protect the motor. 3. Brushless \u0026 Cordless: The grinder tool brushless motor eliminates carbon brushes. Angle grinder cordless design make working more convenient, improve efficiency,you can work at any where like outdoor without any cable winding and power socket. 4. Easy To Use: Angle grinder has small handle, light weight, easy outdoor operation,non-slip handle, more effectively to reduce fatigue during operation. Slide switch: conveniently located for one hand operation. 5. 2-Position Auxiliary Handle: Rubberized 2-position anti-slip auxiliary handle offers greater control, comfort and versatility in all applications, making operation more convenient. Specification: Specifications: Material: ABS + Metal Battery Voltage: 21V Battery Quantity: 2Pcs Battery Capacity: 4.0Ah Installable Saw Blade Diameter: 100mm Package Weight: 4261g / 9.39lb Package Size: 38 * 31 * 12cm / 14.96 * 12.20 * 4.72in . Package List: 1 * Angle Grinder 1 * Power Charger 1 * Handle 1 * Wrench 1 * Protective Cover 1 * Storage Case 1 * Sanding Pad 1 * Flap Disc 1 * Stone Cutting Disc 1 * Wood Cutting Disc 1 * Metal Polishing Disc 3 * Metal Cutting Disc 5 * Sanding Paper 2 * Battery 1 * Manual