Protex Through-The-Wall Depository Drop Box WDD-180E - Electronic Lock 14"W x 12"D x 15"H, Beige

Features piano hinge drop door openning thick enough to drop keys, wallets, car remotes, thick envelopes and more metal baffle to protect drop openning from fishing pre-drilled mounting holes on sides for in-the-wall installation installation hardware included reinforced double steel door to protect against prying the perfect way to lock and secure cash, keys, mail, car remotes, small envelopes and more drop from one side and collect from the opposite side designed to be installed in the wall between standard (16" on center) wall studs requires cutting the drywall between the studs includes two removable and adjustable metal frames to hide the rough cuts maximum thickness of item to drop is 1" thick recommended wall thickness for proper installation is between 4 and 10 inches this model is used for interior use.