The DVR-MB1 Mobile/Rackmount DVR Lockbox from Video Mount Products of Stevensville, Maryland, is designed for situations where a DVR may be portable or rack-mounted in settings prone to theft or vandalism. The lockbox can be mounted on its left, right, bottom, or rear side for mobile applications. It includes securing strips to hold the DVR in mobile applications. The removable top is fastened with security hardware, and the front door is secured with a key lock. A single fan is included, with additional locations for up to four fans. Vent blockers control thermal flow through the box for rackmount applications.