Night Optics IR-K3 Extra-Long Range IR Illuminator NA-IRI-0K3 can give your night vision device something to pick up by flooding any pitch black area with infrared light, invisible to the naked eye but extremely helpful for your night vision gear. These powerful night vision accessories are capable of projecting a strong infrared beam far into the distance, allowing you to sight distant targets even during nights where there is no ambient light for your night vision to augment. With a fixed power output of 350 mW, the NightOptics IRK3 Fixed Infrared Illuminator provides uncompromising infrared lighting for all your tactical and law enforcement needs. These Night Optics night vision accessories are exceedingly easy to use, with simple on/off switch operation. Night Optics has also made the IR-K3 easy to mount on a variety of night vision sights and scopes. These infrared illuminators are efficient, too; they're capable of running for up to 50 hours on a single three-volt CR123 battery. Easy to use, powerful, and long-lasting, the Night-Optics IR K3 Extra Long Range Simple IR Illuminator can make your night vision clearer than ever before.