ZyXEL ZyWall SSL 10 Icard for 10-25 Sessions Upgrade License. Weight: 1.2 kg, Dimensions (WxDxH): 242 x 75 x 35.5 mm. Power requirements: 12VDC, Power consumption (typical): 7.5 W. Networking features: PPPoE, Static, DHCP, DHCP Server, NAT, Authentication method: Internal user database, RADIUS, LDAP, Microsoft Active Directory, Two-factor Authentication. Flash memory: 128 MB. Certification: - Self-signed - External CA