Start the workday faster by signing on with an optional fingerprint reader integrated into the power button or with the optional IR camera Windows Hello for seamless authentication. Keep the work flowing with a high-density battery and Express Charge, which allows an 80% charge in one hour*. With Dell Power Manager, you can choose from four modes to balance between optimal battery or power performance. Seamlessly work on the go thanks to optional mobile broadband supporting speeds up to 450Mbps*. The Latitude 5400 is more mobile and portable than ever, with an improved design that’s thin and modern. The bottom mount keyboard contributes to its clean look and feel