With 24pcs ¢5IR LED, can provide a clear night vision for you.
With a mount hole at the bottom of the camera, can be installed on wall or ceiling, etc.
These can be used day and night, they also have a a 3.6mm super wide angle lens.
These are can be used both inside and outside. If used outdoors it's important to note that the unit is designed to be fixed to a ceiling but these are not weatherproof so they must be protected from adverse weather / rain etc.