-Low light environment distance is 2m to inf-inity, 200m on the full dark environment. -5x optical zoom and 8x digital zoom with 40mm objective lens; get clear viewing up to 5x to 8x magnification -Night vision scope equipped with infrared illu-minator; it applies to use in the full dark environment or low light situation -Full dark viewing distance of night vision monocular scope is 5 to 200 meters; a good optical device to enhance human's visual senses -Multi-functions for the day or night vision monocular ; picture shoot; video recording; image display; digital zooming; download to PC; a show on TV or monitor