The ATN PS15-2 is a compact, lightweight dual Night Vision Goggle System. It utilizes two high-performance Image Intensifier Tubes to provide extremely clear and crisp images under the darkest conditions. This dual tube design provides increased depth perception and outstanding clarity. A built-in IR lets the user easily read a map and function in a total darkness environment.Available in a wide array of Image Intensifier Tube configurations the ATN PS15-2 Night Vision Goggles is designed to handle every budget and mission requirement. The ATN PS15-2 Night Vision System is the high-performance choice!Features:- Dual goggle/binocular- Hands-free usage- Comfortable, flip-up Head gear- Lightweight, Compact- Depth Perception- Optional powerful 3x A focal lenses to make into binocular- Waterproof Specifications:- Total Darkness IR System: Yes- "SMART" Technology: No- Multi-Purpose System: No- IIT Generation: 2+- Photocathode Type: Multi - Alkali- Resolution: 40 lp/mm- Signal to Noise Ratio: 12-20- Figure of Merit: 1250- MTTF - Mean Time Before Failure: 5,000 hours- Magnification: 1x- Lens System: F1.2, 27 mm- Proshield Lens Coating: Yes- FOV: 40- Range of Focus: 0.25 m to infinity- Diopter Adjustment: -6 to +2- Controls: Direct- Automatic Brightness Control: Yes- Bright Light Cut-off: Yes- Automatic Shut-off System: Yes- Infrared Illuminator: Yes (Built-in with flood lens)- IR Indicator: Yes (in FOV)- Low Battery Indicator: Yes (in FOV)- Power Supply: 1x1.5 V AA type battery or 1x3 V CR123A type battery- Battery Life: 40 hrs- Environmental Rating: Waterproof- MIL-STD-810: Complies- Operating Temperature: -40 to +50 C- Storage Temperature: -50 to +70 C- Dimensions: 120 x 114 x 69 mm (4.7" x 4.5" x 2.7").- Weight: 0.7 kg / 1.54 lbs