1. Two-gear speed regulation, low-speed/high-speed switching 2. 18+1 gear torque adjustment, wide torque adjustment range 3. 1500mAh large-capacity battery, long-lasting use time 4. LED light, convenient to use in dark environment 5. Infinitely variable speed, more precise speed regulation 6. Forward and reverse switch, easy to drill in and out 7. Three-level protection, the battery is safe and reliable
