The D3100 allows you to add up to 3 monitors or connect a variety of external devices and internets by simply plugging a USB 3.0 cable into a laptop.
Power adapter 3 pins with earth included *2 pin conversion adapter not included.

■About the manufacturer support
Manufacturer support windows for this product include: When you make an inquiry, you will need the "Order No" attached to the outer box.
Chat (LINE) Support: https://page.line.me/391vsisb (LINE Account Name: Dell Technologies / LINE ID: @dell / Supported Time: 9:00-21:00 - including weekends and holidays)
Phone support: https://www.dell.com/support/incidents-online/ja-jp/contactus/Dynamic
Manufacturer support is for products sold on Amazon.co.jp. Please contact each seller for assistance with the same product sold by other sellers.
For more information regarding manufacturer support, please check the disclaimer.