Cisco ASA5500-SC-20= software license/upgrade

Manufacturer part number ASA5500-SC-20=
Vendor Cisco
Cisco ASA5500-SC-20=. License quantity: 20
Features
Compatibility Cisco ASA 5500
Platform ASA 5500
License
License quantity 20
System requirements
Optical drive required N
ASA 5500 10 to 20 Security Context License Upgrade
ASA 5500 10 Security Contexts License
ASA 5500 10 to 20 Security Context License Upgrade