Licence pack for 4 cameras Optional camera licence pack for the installation of additional cameras into a Synology Surveillance Station. The Surveillance Station comes with one camera licence as standard. Simply enter the licence key via the user interface in order to install and manage additional cameras. Suitable for the following Synology NAS: CS-406, CS-406e, CS407, CS407e, DS-106, DS-106e, DS-106j, DS1010+, DS107, DS107+, DS107e, DS108j, DS109, DS109+, DS109j, DS110j, DS207, DS207+, DS209, DS209+, DS209+II, DS209j, DS210j, DS408, DS409, DS409+, DS409slim, DS410, DS410j, DS508, DS509+, DX510, DS1511+ RS-406, RS407, RS408, RS408-RP, RS409, RS409+, RS409RP+, VS60.