closed-circuit television
US /ˌkloʊzd ˌsɝː.kɪt ˈtel.ə.vɪʒ.ən/
UK /ˌkloʊzd ˌsɝː.kɪt ˈtel.ə.vɪʒ.ən/
1.
televisión de circuito cerrado, CCTV
a television system in which the signal is not publicly broadcast but is distributed to a limited number of receivers, used for surveillance and security purposes
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The bank uses closed-circuit television to monitor its premises 24/7.
El banco utiliza televisión de circuito cerrado para monitorear sus instalaciones 24/7.
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Security cameras are part of a larger closed-circuit television system.
Las cámaras de seguridad son parte de un sistema más grande de televisión de circuito cerrado.