LCD and Viewfinder
Nikon D1 has a Fixed Type 2" LCD screen with a resolution of 130k dots. At only 2", the screen is on the smaller side and 130kdot resolution is lower than most of the recent models in this class.
D1 has a built-in Optical (pentaprism) viewfinder. The viewfinder has a coverage of 96% and a magnification ratio of 0.53x. 96% coverage means that what you see in your viewfinder while shooting will slightly be different from the actual image.
Max Shutter speed
Nikon D1 can shoot continuously at max speed of 5 fps
and has max shutter speed of 1/16000 sec
Unfortunately D1 doesn't have a built-in flash but it has a flash shoe for mounting external flashes.
Nikon D1 features a Phase Detection autofocusing system.
Unfortunately Nikon D1 doesn't have Video recording ability.
Connectivity and Storage
Nikon D1 Features Compared to Main Competitors