There will be times when the dome cover of your camera will be dirty because of dust, debris, fingerprints, moisture, condensation, etc. As a result, the IR illuminators will reflect light to the lenses and give you an unfavorable view in night mode.

To help avoid issues with night mode view, avoid touching the clear dome cover as much as possible. 

Simply touching the camera dome cover will ruin the quality of the view:

The photo below will be the view of the live feed after leaving some grease and fingerprints on the camera:

This is caused by the IR illuminators reflecting their light off of the grime on the camera's dome.

Requirements: Microfiber cloth and rubbing alcohol

When cleaning your camera dome covers, do not apply excessive force to the cover. Too much force can result in permanent scratches on the cover. You want to let the cloth clean the dome, not the force of your hands. You only need two fingers to gently and precisely wipe the dome cover.

This video will demonstrate how to properly clean our dome covers. We suggest that you wipe in a mini circular motion:

Don't forget the inside of the cover:

Reminder: Do not touch the dome glass of the dome cover when reinstalling the cover

Here is the result of cleaning this dome cover: