The Armasight CO-LR Ghost MG (Clip On – Long Range) is a night vision unit that mounts in front of an existing day scope and converts the day scope to night vision capability up to ranges of 1000 yards. Suitable for use with most commercial and military specification day time sights, telescopes or binoculars (up to 12X magnification), the CO-LR Ghost MG can be mounted/dismounted on a standard Picatinny rail in seconds and with no tools required. The CO-LR Ghost MG is packed with innovative features like optional variable gain control, bright light shut-off, wireless remote control. This night vision clip on is designed to make long range night shooting just as easy and accurate as shooting over the same terrain during daylight hours with your day scope alone. Whether your day scope is a well known brand or not, the Armasight CO-LR will work just as well at magnifications anywhere from 3X to 12X. The CO-LR Ghost MG brings very high quality clip-on night vision within everyone"s reach. The manual gain control feature (MG) allows the user to increase or decrease image brightness for best possible contrast in any situation. The Armasight CO-LR Ghost MG is equipped with a high-performance Armasight Ghost White Phosphor Gen 3 IIT with manual gain control providing a clear black and white image and resolution of 47-54 lp/mm.