Cordless Electric Li-ion Accumulator Polisher Angle Grinder Rechargeable Battery Lithium Grinding. Brushless Motor Technology: Equipped with a brushless motor for enhanced efficiency and durability. Ergonomic Soft Grip Design: Features a soft overlay grip handle for comfortable and secure handling. Lock-On Switch Function: Includes a lock-on switch for continuous operation without holding the trigger. Fast Charging Capability: Supports fast charging for the rechargeable lithium battery. Variable Speed Control: Offers constant speed and variable speed modes for versatile applications. Multi-Scene Grinding: Suitable for automobile parts, stainless steel products, and various grinding tasks. Portable Design: Lightweight at 0.8kg, making it easy to carry and use in different locations. Flexible Disc Options: Compatible with disc diameters of 110mm, 115mm, and 125mm.