Two unique monitor heads that are partly made of metal. The front panel is all plastic, but the rest if metal. This makes them more durable, but also heavier.
The Ultrak is smaller and weighs ~6 pounds. heavy, but still comfortable to wearThe Lorex is ~8 pounds, making it a little too heavy to wear for a long period.
All the buttons are clickable and knobs turnable. They obviously don't function in any way, but they have a satisfying click.