SPECIAL ORDER BW-200 DVR/CPU LOCKBOX WITHOUT A FAN Mier Product's VCR, DVR and CPU Lockboxes are designed to protect the most vital element of your security system. In short, these lockboxes protect the equipment that protects you! Scroll down to see standard, rack mount and tower lockbox models and features. Our DVR, CPU & VCR Lockboxes are durable and painted with textured black powder-coat finish. They include a 120 volt continuous-duty fan (12 volt available) that works in conjunction with the louvered design to provide maximum airflow. The top is removable for easy installation, and the front is hinged to provide easy drop-down access to the front controls. Both are locked with the cam lock (two keys also included). Cable ports are located in the back and include bushings to protect the cable and wire.