Means of surveillance, for short

• Surveillance network, for short
• Video surveillance, briefly
• Letters on a video surveillance screen
• Security guard's viewing, for short
• Monitoring option, for short
• Surveillance system, briefly
• Surveillance network, briefly

Wikipedia Word definitions in Wikipedia
Closed-circuit television , or CCTV , is a system of remote monitoring using cameras. CCTV may also refer to: China Central Television , the state national television broadcaster in mainland China Cork Community TV , a community television station in Cork, ...

Wiktionary Word definitions in Wiktionary
n. (label en broadcasting) (initialism of closed circuit Closed Circuit television Television English) n. (label en broadcasting China) (initialism of China central Central television Television English)