Lenovo 4XH0L55005 Tablet Black mobile device dock station

ThinkPad X1 Tablet Presenter Module ThinkPad X1 Tablet, the best 2-in-1 for Business with Modular Accessories.
Get more features and functions. Easy installation and setup. Extend ports, battery and keyboard with the Productivity module and Thin Keyboard.ThinkPad X1 Tablet Presenter module is a modular accessory for the X1 tablet to extend the following ports and features:
1. Pico Projector max. brightness: ANSI 28-32 Lumens @2.5W
2. Projector resolution: 854 x 480, WVGA (16:9)
3. Distance: Supports max. 60 inches at 200 cm distance
4. Battery life: 2.0 hrs
5. Fan: Fan less for reduced weight and noise
6.1* Full HDMI port supports HDMI In/Out
7. Extend Pogo Pin to connect with the X1 tablet's thin keyboard
8. Support hot attach/detach by using eject lever