Night vision is a precision electronic instrument used to observe the target at night and twilight.
To meet very low light intensity, night vision with infrared irradiation light source, turn on the power switch, you can adjust its brightness by changing.
This product is a day and night night vision comes with infrared irradiated light source.
Under bright and dim light it shows streaks of color while the image is black and white in the dark.
This product  own infrared irradiation light source device, according to the use of environmental conditions can be forced to open or close, and can, according to manual regulation of the brightness of the environment light to need the best conditions.