digital camera and mobile phone recording screen overlay animation background stock video - camera viewfinder screen overlay for a minute - fully isolated black - alpha layer background and suitable for overlay alpha channel use - easy to use stock video - digital eyeball 個影片檔及 b 捲影像01:00
mobile phone recording screen overlay animation background stock video - camera viewfinder screen overlay for a minute - fully isolated black - isolated on green screen background suitable for chroma keying - easy to use stock video - digital eyeball 個影片檔及 b 捲影像01:01
black cctv surveillance camera outside building, home security system - digital eyeball 個影片檔及 b 捲影像00:25
portrait of smiling african-american businesswoman while having a video conference at her office - digital eyeball 個影片檔及 b 捲影像00:12
an outdoor surveillance camera with a laser scanning system for objects of movement. the laser scans the object and transmits the data to the server. - digital eyeball 個影片檔及 b 捲影像00:20