Professional Night Vision Goggles The NZT-33 Night Vision products feature a built-in InfraRed illuminator for enhanced images in very low light and.with detachable binoculars for extreme ease of use Ideal for camping, exploring caves, patrolling or where there is no ambient light to amplify. Specs: Gen 1 Hands-Free Goggle & Headgear Detachable for Use as a Binocular Built-In IR Water-Resistant Magnification 1x FOV @ 1000yds 70m @ 100m Objective Lens Diameter 20mm Weight 510gm Battery N x 2 Dimensions 133x57x108mm