What: A dual-lens camera capable of capturing 30-megapixel photos or high-resolution video in 360 degrees.

Tunnel vision: It’s intended to work with Samsung’s Galaxy smartphones and its Gear VR virtual-reality headset.

Seeing is believing: The Gear 360 stitches together 180-degree images from its fish-eye lenses to create virtual environments.

For more on Samsung, watch this Fortune video:

Feast for the eyes: With dust- and splash-resistance, the Gear 360 can be used to monitor progress at a construction site or show prospective patrons what it’s like to dine outside at a restaurant. Indoors, it can be used to showcase a newly renovated hotel room.

Seeing eye to eye: The technology has support from Facebook fb , whose Oculus VR unit powers Samsung’s virtual-reality headset. Says Facebook CEO Mark Zuckerberg: “Over the last year we’ve been working to make Facebook the best platform for 360-degree videos.”

Samsung's Gear 360 Camera Samsung’s Gear 360 CameraPhoto: Courtesy of Samsung

Outta sight: Market researcher TrendForce estimates that the virtual-reality market could be worth $70 billion by 2020.

A version of this article appears in the March 15, 2016 issue of Fortune with the headline “Double Vision.”