X-Vision 203912: Make every shot count with this precision, thermal laser rangefinder. When attached to your X-Vision Optics Flex 2 Thermal Reflex Sight, it gives you accurate, instant distances right on your display. Made of lightweight aluminum, the module is quickly and securely mounted to your device. Plus, it's water and dust-resistant with a shock load up to 800G with laser range finding capabilities of up to 1,000 yards.