Night Owl Optics Infrared Illuminator Accessory for NightShot Rifle Scope Black/Red Compact. Whether youre varmint hunting predatory hunting or using youre airsoft or paintball gun the IR850-NS will enhance your night vision shooting experience. The IR850-NS uses 850nm IR wavelength to significantly increase your night vision field of view in low or no ambient light conditions. The IR850-NS uses 2 CR123A batteries (not included). Specifications for Night Owl Optics IR850-NS Infrared Illuminator Accessory for NightShot Rifle Scope: Manufacturer: Night Owl Optics Wavelength: 850 nm Color: Black/Red Fabric/Material: Plastic Battery Type: CR123A Length: 135 mm Weight: 80 g Included Accessories: None Condition: New Objective Lens Diameter: 22.8 mm Gun Type: Rifle Features of Night Owl Optics IR850-NS Infrared Illuminator Accessory for NightShot Rifle Scope High-Power Infrared LED Emitter Power: 1000mW IR Wavelength: 850nm Easy-to-Use Operation Weatherproof Lens Diameter: 22.8mm Package Contents: Night Owl Optics IR850-NS Infrared Illuminator Accessory for NightShot Rifle Scope Night Owl Optics IR850-NS: IR850-NS Infrared Illuminator Accessory for NightShot Rifle Scope Black/Red Compact