The EMTOP ELRH2022012 Lithium-Ion Rotary Hammer is a versatile and powerful tool, ideal for professionals and DIY enthusiasts. Equipped with a 20V brushless motor , this cordless rotary hammer provides superior efficiency and durability. The tool features a no-load speed of 0-1350 RPM and an impact rate of 0-4700 BPM , delivering powerful drilling with an impact energy of 1.5 joules . Its SDS Plus chuck system ensures quick bit changes, making it perfect for heavy-duty applications in concrete, steel, and wood. It comes with 2 x 4.0Ah batteries , an integrated work light, and a charger, packed conveniently in a durable canvas bag. Key Features and Specifications: Voltage: 20V cordless power No-load speed: 0-1350 RPM for smooth operation Impact rate: 0-4700 BPM for efficient drilling Impact energy: 1.5J Max drilling capacity: Concrete: 22mm Steel: 13mm Wood: 28mm Chuck system: SDS Plus for quick bit changes Accessories included: 2 x 4.0Ah batteries, 1 charger, 3 drill bits, 1 chisel Ergonomics: Integrated LED work light and compact, portable design