Chief RSMCUS, Ceiling, 24.9 lbs (11.3 kg), Silver, 4.37" (111 mm), 1.81" (46 mm), 5.08" (129 mm) Chief RSMCUS. Mounting type: Ceiling, Maximum weight capacity: 24.9 lbs (11.3 kg), Product color: Silver. Width: 4.37" (111 mm), Height: 1.81" (46 mm), Depth: 5.08" (129 mm)