This stock video shows a door security unit installed on a wall. The unit is lighted up in red. A woman taps a security card on the unit and the unit's light turns green for a second. The unit's light color immediately returns to red. Use this clip for advertisements, presentations, social media posts, vlogs, etc. about security and technological updates about home protection. Available in 4K resolution.
- 3840x2160 (4K)
- 23.97 FPS
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