The Panasonic EY78A1LJ2G SDS Plus Rotary Hammer Drill Driver is supplied with: 2 x 18V 5.0Ah Li-Ion Batteries. 1 x Charger. 1 x Plastic Case. The Panasonic EY78A1 SDS Plus Rotary Hammer Drill Driver is fitted with a 5 stage torque clutch plus drill position and electric speed control for increased control even in high-speed applications. The drill has a T shape design for improved balance and ergonomics and offers 2 modes of function: Rotary Hammer or Drill Driver. Specifications: Chuck: SDS Plus. Modes: Rotary Hammer or Drill Driver. No Load Speed: 0-1,250/min. Impact Rate: 0-4,750/bpm.