This unit features 9 tenant compartments and 2 parcel lockers. It is USPS approved and perfect for apartments, residential developments, and more. Use indoors and outdoors (with kiosk or other applications, pending local USPS approval), as it is constructed from heavy gauge aluminum with corrosion resistance. With heavy duty locks on tenant and parcel locker doors and a carrier access door, you can be sure this unit is secure. Please contact us for specific unit measurements. ADA compliant.