Feature: 1. High Performance and Durability: The 21V brushless electric hammer delivers 4000 impacts per minute (ipm) and 2.0J impact energy, powered by a 21V 2000mah battery. This high-performance tool ensures efficient and powerful drilling in steel, concrete, and wood, making it suitable for both professional and DIY projects. 2. Brushless Motor Technology: Equipped with a brushless motor, this hammer provides longer tool life and improved energy efficiency. The brushless motor reduces wear and tear, minimizes maintenance, and maximizes battery life, ensuring reliable performance over time. 3. Precise Starting and Maximum Torque Control: The hammer features precise starting and maximum torque control, allowing for smooth and controlled operation. These advanced controls enhance accuracy and prevent damage to materials, making it ideal for delicate and demanding tasks. 4. Built-in LED Light: The tool includes a built-in LED light that illuminates the work area. The LED light improves visibility in low-light conditions, ensuring safe and accurate drilling, even in challenging environments. 5. Ergonomic and Comfortable Design: The hammer is designed with an ergonomic handle and a comfortable grip. This design reduces user fatigue during extended use, providing better control and precision. Specification: Item: Electric HammerColor: BlueProduct Material: ABSPower: 700WIdle Speed: 0-800r/minImpact Rate: 0-4000ipmImpact Energy: 2.0JBattery: 21V 2000mahBest Drill Bit Diameter: 6mm, 8mm, 10mmMaximum Drilling Capacity:Wood: 18mmSteel: 10mmConcrete: 16mmInput Voltage: 100-240V 50-60HzSize: 21.5*24*8cm/8.46*9.45*3.15inchPackage Size: 34.5*26.5*8.5cmPackage Weight: 2326g Package List: 1* Electric Hammer2* 21V 2000mah Battery2* 6mm Drill Bit2* 8mm Drill Bit2* 10mm Drill Bit1* Charger1* User Manual