• Quicker to install than a nail on box. 
• Easily upgraded to a MSBFAN product with bracket.
• Extra thick wall material for stability & rigidity.
• Fixture Rating: 50 lbs.
• UL Listed & RoHS Compliant.
• Box is extra deep for mounting all smoke and carbon monoxide detectors.
• It is also quick and easy to remove for wiring between floors, cathedral ceilings and inaccessible attics.