1. Powerful variable speeds for your specific needs: Our car polisher features 6 adjustable speed settings to suit various tasks or materials. With a speed range of 2,800 to 5,500 RPM, it ensures smooth waxing without harming your car's surface while operating quietly. 2. Durable Battery Ventilation Holes for Performance Powered by a 21V lithium battery, our electric polisher offers up to 60 minutes of runtime after just 34 hours of charging. Its energyefficient design eliminates the need for frequent charging or battery replacement. The builtin ventilation holes keep the device cool during extended use, preventing overheating and burnout. 3. Lightweight and handy for easy operation: Compact and userfriendly, our polisher is ideal for both professionals and beginners. The cordless design eliminates tangled cables, while its lightweight and portable size ensures effortless carrying and storage. 4. Efficient polishing to save time: Equipped with quiet gear rotation and precision, our buffer polisher accelerates your workflow, saving time and boosting efficiency. not only for car polishing but also for household tasks!