Specifications Product Name Repair Quick Release Sanding Pen Product Size 128 14mm x 16 6mm x 17 7mm Package Size 192mm x 35mm x 29mm Product Features Grinding polishing cutting Gross Product Weight 72 4g Input Voltage 5V Battery Parameters 10C10 power battery 280mAh Motor Speed of Each Gear 1st Gear 5900 rpm 2nd Gear 8600 rpm 3rd Gear 10500 rpm 4th Gear 12600 rpm 5th Gear 16200 rpm Features 1 Precision Performance Unlock the potential of meticulous grinding and polishing with high RPM speeds across five adjustable gears Tailored for detailed crafting and accurate disassembly 2 Quick Release Design Simplify your workflow with the efficient pull and push mechanism Effortlessly switch grinding heads to suit diverse repair tasks without the need for extra tools 3 Versatile Compatibility Designed to work seamlessly with universal 2 35mm grinding heads Ideal for various repair applications including mobile phone PCB IC chip removal and mainboard disassembly 4 Enhanced Usability Advanced features like anti misoperation and power level memorizing provide you with a hassle free usage experience Double click to power on single click to power off ensuring precision control 5 Compact and Portable With a lightweight design of only 72 4 grams the tool is portable and easy to maneuver Perfect for professionals and hobbyists on the go Package Included 1 x Electric Polish Pen7 x Grinding Heads