Settings > Camera > [camera name] > Advanced section > Night Vision checkbox
Night Vision is automatically enabled for the Indoor 700n and Outdoor 700e cameras at installation.
When the Night Vision Enable checkbox is marked, the Night Vision LEDs are turned on during low light situations and then turn off during the day. When the checkbox is not selected, the Night Vision capability is disabled.
Turn off Night Vision in the Settings > Camera > [camera name] screen, Advanced section and by removing the check mark in the Enable checkbox.