【Paragraph 1 – Overview】 The Karramlili 21V Brushless Rotary Hammer delivers professional-grade drilling and light demolition performance with the freedom of cordless power. Powered by a 5025 brushless motor with 600W output, it delivers up to 4500 BPM impact and 0-1100 RPM variable speed – giving you the power and control you need for concrete, brick, masonry, and light chiseling tasks. 【Paragraph 2 – Versatility & Performance】 Three working modes make this tool a versatile addition to any workshop or job site: rotary drilling for wood and metal, impact drilling for concrete and masonry, and chisel mode for light demolition and tile removal. The variable speed trigger gives you precise control, while the brushless motor delivers consistent performance, longer runtime, and zero maintenance. 【Paragraph 3 – Battery & What's Included】 Two 4000mAh batteries keep you working while the other charges – no downtime. The built-in BMS protects against overload, overheating, and short circuits for safe, reliable operation. What's Included: 1× Rotary Hammer, 1× Auxiliary Handle, 2×4000mAh Batteries, 1×0.6A Charger, 1× Plastic Storage Case, 1× User Manual.