1. 4 Speed load display 2. 3 gear speed, ergonomics, overload protection 3. Strengthen the motor, powerful enough to meet all kinds of work needs, three-speed no-load operation for more than 1 hour. If you need to use it for a long time, you can use it while charging 4. Lightning-fast charge 5. Temperature control protection / Overpressure protection / Overcurrent protection / Charge and discharge protection 6. Lightweight, easy to operate, easy to cope with various tasks
