About this item Variable Speed: Seamlessly adjust to the ideal speed from 8,000 to 25,000 for optimal control and maneuverability Easy Battery Charging: The rechargeable 4v Li-Ion battery and convenient USB charger ensure that it’s ready whenever you are Portable and Lightweight: The 360-degree soft grip material allows for comfort and precise control Speed Control: The four different speed settings offer better control for different applications Versatile Use: Whether you are completing the light finishing touches, needing to fit into a tight spot, or completing the most precise tasks the versatility of the Dremel Lite allows you to respond to projects quicker