- IR wavelength projects an output of 805nm that's great for low ambient conditions. - Combines with night vision rifle scopes or monoculars. - Acts like a flashlight with increased detection range. - Beam of light can be adjusted for short or long range battles. - Operates by using 2 AAA batteries that can last up to 20 hours. - On/Off switch saves battery life when not in operation.Specifications: Manufacturer Sightmark Body Frame Plastic Lens Material Glass IR Wavelength 805nm Battery 2x AAA Diameter 5.70L x 0.026W x 0.031H Weight 0.3 lbs Color BLACK 1X Infared Illuminator