1. Lithium battery powered, first set battery powered floor grinder suitable for working outdoor without electricity power

2. continuously work 6 hours after one full charge

3. can connect industrial vacuum cleaner and water pipe, wet and dry operation on floor

4. adjustable speed from 0-1400rpm

5. unique grinding edge design with kick tap in 3 steps, can grind to wall boarders with removable dust shroud

6. with MP3 and bluetooth to connect phone to play music

7. well designed frame with detchable battery group make it easy to be transported

8. flexible rubber coupler transmits torque effectively