Product Features
Brushless : Brushless motors can be more powerful overall. Users also can take advantage of reduced maintenance, improved efficiency, reduced heat and noise. The brushless motors are synchronous units with one or more permanent magnets. Power tools with a brushless motor are now considered high-end products.

Specification
Rated Voltage : 20V
Max. Joules : 1.7 Joules
Charging Voltage : 220V - 240V
Battery Voltage : 21V
No. Load Speed : 0 - 1400 / min
Hammer frequency ： 0 - 4500 / min
Max. Drilling Diameter : Wood ( 28mm ) , Steel ( 13mm ) , Concrete ( 22mm )

Package Consists
1 x BOCCS BLSB21B Brushless 3-Function Cordless Rotary Hammer
2 x 21V Lithium Battery ( 18V Compatible )
1 x Charger
1 x Canvas Bag