The DVR-LB3 from Video Mount Products (VMP) is a fan-cooled unit within a low-profile chassis, designed specifically for smaller DVRs and NVRs, and installations with limited space restrictions. The DVR-LB3 DVR lockbox includes a single fan, as well as a mounting location for a second fan should additional thermal management be required. Multiple vents with vent blockers for active or passive thermal management also are incorporated.