Open Question: how do i know if my new dvd player will fit in my car...?

i have an acura tl 2004 and i do not have navigation.. i want to be able to play my ipod in my car and have a dvd player. that plays in my car when i drive. thats touch scrren and will fit. i just bought the car so i dont know about anything with it and i have no idea what will fit.... i do not want the flip out monitors.. it already has a cd player so i dont need that just the dvd and ipod and for my cd player to work through it... this is the dvd player i was looking at...Boss BV9555 7-Inch Double-DIN Motorized In-Dash Widescreen Touchscreen TFT Monitor/DVD/MP3/CD Combo Receiver"