The SRDVRLB 5U Security DVR Lockbox Enclosure is an all-in-one solution for securely storing and cooling your security digital video recorder (DVR) to protect it from damage, tampering or theft. It's ideal for network closets, retail outlets, warehouses, offices, classrooms and other locations where you need a DVR to be securely protected from unauthorized access. Constructed from heavy-duty steel in a durable black powder-coat finish, the SRDVRLB has a maximum load capacity of 60 pounds.To ensure your valuable DVR data stays safe and secure, the front door locks with the included keys. The edges of the door wrap around the left and right sides of the enclosure and the removable top panel to ensure the DVR's safety. The right side panel is ventilated to allow air to flow freely through the cabinet. The left side panel includes a preinstalled cooling fan with washable air filter that blows cool air onto the DVR and prevents dust and airborne particles from entering the enclosure. Convenient rear and bottom ports with removable covers allow easy cable routing through the enclosure.The SRDVRLB comes fully assembled and ready to mount on a wall, floor or tabletop. Installing a security DVR within the enclosure is easy with its removable top panel, square mounting holes and numbered rack spaces. The front and rear mounting rails adjust in 1-inch increments to accommodate equipment from 1 to 16 inches deep.