1)   Voltage: 20V
2)   Two no-load speed:0-1400RPM
3)   Bows per Min:0-4500BPM
4)   Tool Holder:SDS PLUS
5)   18mm keyless chuck
6)   Automatic spindle lock function
7)   Precise bearing for long durability and low consumption 
8)   Variable speed with quick stop
9)   LED work light
10) 2PCS of LI-ION 4000mAh battery pack
11) Charging time:3-5 hours with slow charger/ 1 hour with fast charger
12) Ergonomic design for less fatigue and more comfort