This night-vision device can be used to observe objects in the dark and low light situation. The viewing distance in the low light environment will be 3.0 meters to infinite, and 200300 meters viewing distance in the all dark environment. The small size of this tool is very convenient for everyday use and share it with your friends or families. Widely Application: This night-vision device is very suitable for outdoor landscape observation, animal observation, outdoor huntings, travel and so on. 3 Inch TFT Screen. The screen of this night-vision device is a 3 inch TFT screen, large screen allows to see the images more clearly. Adopt 3W infrared light and 850nm illuminate. The infrared lights of 7 levels are adjustable according to the ambient light, giving you a better using experience.