From a Curbed.com online review:
The trailer is set up for families thanks to a king-size bed on one side and twin bunk beds on the other. A full bathroom boasts a shower, sink, and chemical toilet, and bamboo shelving allows for plenty of storage space. A leatherette dining area provides a place to sit inside, and on-demand hot water, a heater, and built-in air conditioning come standard.
Opus has created their first full-size, hard-sided camper. Called the Opus OP 15, the new trailer blends off-road capabilities with amenities for a family. It’s also expandable, designed with a pop-up top for extra headroom in a way that’s similar to Safari Condo’s Alto R Series trailer. This means that while you’re towing the Opus OP 15, you have a low-roof, compact, 15-foot trailer. But once you get to camp you have plenty of room inside.