Power Source: It is powered by rechargeable lithium-ion batteries (typically 20V or 21V depending on the specific model), providing portability for work in tight or remote spaces.Speed and Control: Most models feature variable speed control and dual-speed settings (e.g., 0–450 RPM and 0–1450 RPM) for both high-precision and heavy-duty tasks.Chuck Design: It generally comes with a 10mm or 13mm keyless chuck, allowing for quick and easy bit changes without additional tools.Precision: Includes multiple torque settings and a variable speed trigger to provide control during delicate operations.Additional Features: Often includes a built-in LED light for visibility in low-light settings and safety protections against over-current or over-heating.