Combined with any night vision riflescope or monocular, the Sightmark Infrared IR-805 Compact Illuminator SM19075 acts as a flashlight during night vision use. Great for indoor and outdoor use, this IR Illuminator from Sight Mark, is ideal for low or ambient light situations, such as during a SWAT raid in a dark warehouse or varmint hunting out on a moonless night. Operable with two AAA batteries, the Sight-Mark Infrared Compact IR805 Riflescope Illuminator, offers two power options, a low output at 70 miliwatts and a high output at 100 miliwatts for a more powerful and brighter experience. This Sightmark Illuminator has an adjustable beam focus that is perfect for not only user preference, but for adapting to long and short ranges and indoor/outdoor use. The SightMark IR Illuminator Compact IR805 is great for handheld use and the location of the on/off switch makes it easy to operate with the thumb.