[Size]: 19.7″ H x 22.4″ W x 17.7 D. Total Usable Space of 13.75 front to back. [Heavy Duty]: SE series wall mount cabinet is made from SPCC cold-rolled steel with maximum loading capacity of 133lbs(60kgs) for equipments. [Security and Protection]: Locking front door and side panel prevent unauthorized access to equipments. [Easy Access]: Quick open side panel for easy maintenance.