DESC: Ideal for notebook users who need quick and easy access to peripherals but do not require full desktop expansion capability. It features left corner alignment for easy system attachment and step-by-step LEDs and convenient buttons for easy system ejection. The integrated key lock and optional cable lock slot secure your ThinkPad notebook and your ThinkPad Advanced Mini Dock. The 90W AC adapter recharges the ThinkPad system battery while fueling all functions of the ThinkPad Advanced Mini Dock.