Binoculars with Rangefinder and Compass
Internal rangefinder scale and built-in compass for measurement and orientation.By specifying calculator dial on left eyepiece, you can directly calculate the distance or size of objects.Rangefinder and compass scale are illuminated by light on/off switch.Low-light vision binoculars can be used at night and provide better brightness of images as long as there is light or in low-light conditions like lamplight,dawn,twilight(not totally dark).