Kenuco Heavy Duty 16 Gauge Steel 24" x 21" x 8" DVR Security Lockbox with Fan 16 gauge heavy duty steel DVR Lockbox - 24" x 21" x 8" Fan and power cord included for superior cooling Top cover can also be screwed in for a little extra security or remove the screws for easier access when unlocked Knock-outs for cable passes Comes with mounting bolts, rubber feet, power connector for the fan, and a set of keys