The DEWALT 18 Volt DCK266P2 XR Brushless Twin Pack, contains the following: 

1 x 18 Volt DCD796 XR Brushless Hammer Drill Driver has an ultra compact, lightweight design. The two speed all metal transmission provides increased runtime and longer tool life. It offers a 15 position adjustable torque control for consistent screw driving.

Chuck: 13mm Keyless.
No Load Speed: 0-550/0-2,000/min.
Impact Rate: 0-9,350/3,4000/bpm
Torque: 27/70Nm, 15 Settings.
Capacity: Steel: 13mm, Masonry: 13mm, Wood: 40mm

1 x 18 Volt DCF887 XR Brushless Impact Driver is Equipped with application control, this is achieved through 3 motor speeds and torque settings. Precision Drive mode offers additional control in screwdriving applications to avoid material and fastener damage. It has a super lightweight and compact design.

No Load Speed: 0-850/0-2,100/0-3,000/min.
Impact Rate: 0-1,800/0-2,900/0-3,700/bpm.
Torque: 26/80/203Nm.

1 x Multi-Voltage DCB115 XR Universal Charger varies the charge rate according to battery type to increase battery pack life. It features diagnostics with bright LED indicator which communicates the battery charge status: charged, charging, power problem, and battery too hot or too cold. Charges all XR Li-Ion DEWALT Slide Pack 10.8, 14.4, and 18 Volt batteries.

Supplied with-  2 x 18 Volt 5.0Ah Li-Ion Batteries, 1 X Fast Charger and 1 x TOUGHSYSTEM™ DS150 Toolbox.