Advanced motor configuration:The dog nail grinder is equipped with 2 LED lights to see the blood lines. Portable 3-speed speed adjustment (7000-8000-9000RPM) select the appropriate speed according to different nail hardness. And the use of ultra-low decibel technology motor, sound and vibration are low, constant pressure and speed motor, even if the remaining 1% of the electricity can still be at set speed of uniform rotation, will not reduce the kinetic energy until the power is exhausted. High Performance Battery:The High Performance A-grade battery is built into the battery, and its material, technology, energy storage, stable charge and discharge, specifications and constant temperature standards are all industry quality standards with excellent consistency. The 2000mh large-capacity battery can be charged for 4 hours and last for 8 hours. Normally, A charge can last for half a year. It's very durable. Hd LCD screen:The bottom of the dog nail grinder uses the upgraded LCD screen, can clearly display the power and speed, convenient to understand the power situation timely charging, you can intuitively see the speed is how much, easy to adjust to the speed you want.