STE-101 Electric Portable Nail Drill 30000 RPM Digital Display Rose Gold. Product Details: 1. Powerful motor with a maximum speed of 30,000 RPM for efficient and precise nail work. 2. Digital display for easy monitoring of speed and settings. 3. Dual voltage compatibility (110V/220V-240V) with a frequency of 50-60Hz, making it suitable for worldwide use. 4. Compact and lightweight design, perfect for portability and convenience. 5. Maximum torque of 2.2Ncm for handling various nail care tasks. 6. Compatible with 2.35MM grinder type bits for versatility in nail shaping and polishing. 7. 20W power output for consistent and reliable performance.