The EOTECH ClipNV is a clip-on night-vision device developed to provide users with a rifle-mounted solution with unrivaled target detection and identification capability. The ClipNV is designed for use with low to medium power (1-12X) magnification day sights to provide targeting at night while maintaining the day optics ballistic zero. Simple ON/OFF, Manual Gain Control, and Focus knobs are ergonomically positioned on the device. It attaches quickly and simply to Picatinny (1913) rails. Features an integral auxiliary Picatinny rail for installation of accessory equipment such as IR illuminators/designators. Specifications for EOTech Clip Night Vision Monocular: Manufacturer: EOTech Color: Black Weight: 31.7 oz Field of View, Angle: 13.7 degrees Length: 7.1 in Battery Type: Stand Alone Lithium Width: 3.5 in Height: 3.2 in Features of EOTech Clip Night Vision Monocular Rugged, small, lightweight and MIL-SPEC. Adds night-vision capability to existing day optic. Optimized for use with 1-12X day optics. Quick and easy mounting on 1913 rails, no zeroing required. Auto-gated power supply provides automatic high light cut-off system to help protect image intensifier tube and improved resolution in high light environments . Omni-directional battery operation. Low battery indicator visible through day sight. Manual gain control. Package Contents: EOTech Clip Night Vision Monocular Lens Cleaning Kit Protective Case