Connect Macbook Pro Late 2016 with monitor DELL UP2516D
You'll need a dongle to go from USB-C to either: HDMI, DP/mDP. At this time they're on discount from Apple since they're new, so you'll want to buy the dongle now.

Here's a full list of Apple's UCB-C dongle choices, it's a good page to review: https://support.apple.com/en-us/HT204360

And here is a multi-port display adapter from Apple, which provides HDMI+USB-A+USB-C, so it may be a best bet for some folks: http://www.apple.com/shop/product/MJ1K2AM/A/usb-c-digital-av-multiport-adapter