The DEWALT DCK259M2T Brushless Twin Pack, contains the following:

1 x 18V DCD795 Brushless Compact Hammer Drill with ultra compact and lightweight design for use in confined spaces. With 2-speed, all-metal transmission. LED work light for better visibility.

Chuck: 13mm.
No Load Speed: 0-600/0-2,000/min.
Impact Rate: 0-10,200/0-34,000/min.
Max Torque: 60Nm.
Capacity: Wood: 38mm, Steel: 13mm, Masonry: 13mm.

1 x 18V DCF886 Brushless Impact Driver with brushless motor technology, aluminium front housing and an ergonomic handle. 3 LEDs provide work piece illumination. With 'drop in' keyless hex driver for a quick, one-handed fitment.

Bit holder: 6.35mm (1/4in) hex.
No Load Speed: 0-2,800/min.
Impacts Per Minute: 0-3,200/bpm.
Max Torque: 165Nm.
Capacity: Bolt M12.
Bare Weight: 0.96kg.

Also comes with: 2 x 18V 4.0Ah Batteries, 1 x 10.8-18V DCB105 Multi-Voltage XR Charger and 1 x TSTAK V Kit Box