The FR-191022 is built for outdoor applications. The insulated enclosure is made of lightweight aluminum and the front door is sealed and locked with a key. Behind its locked door, a DVR can be secured to standard 19'' rails. Six 10-32 screws are provided to fix rack mount devices to rails. Ventilation louvers with filters are provided on each side and are designed to prevent water or insect infiltrations. Three knockouts are provide for cable entry underneath the enclosure.