What are the dimensions, height in particular?

The highest part of the device is exactly 16 inches from the counter.

Does this product come new or has it been refurbished?

Hello, Thank you for contacting us with your question. The item is brand new. It will come closed in the original retail package with manufacturer seal. Normally, if the item was refurbished or open box it would be listed on the product page. Thank you, Newegg Support