Night Vision is a precision electronic instrument used to observe the target at night and at dusk.
To meet night vision with infrared irradiation light source at very low light intensity, turn on the power switch, you can adjust its brightness by switching.
OP-168 is a day and night vision device that is irradiated with infrared light.
In bright and dim light, a color image is displayed while a black and white image is displayed in the dark.
OP-168 own infrared radiation light source device, depending on environmental conditions may be forced to open or close, and may, depending on ambient light brightness manual regulation to require the best state.