@Clive_A Thanks for the idea. I tried to change to Infrared light. But the choice is 'grey out', I cannot select IR choice. It mentions this setting is related to Day/Night Switch. But the Day/Night...

I am putting the IP Camera at the front enterance. I do not LED turn on and off when it detect motion, we got complain from our neighbours. Q: Can we disable the LED? We are good with less video...