Designed for pistol use, the base is configured to the Leupold Delta Point Pro footprint. Its heavy duty aluminum housing provides a large, square viewing window. A top load, single 2032 battery provides roughly 20,000 hours of run time. The EFLX can be used as a 1X solution on shotguns or rifles with magnified optics. This model is Tan and has a 6 MOA red dot