The 4x30 Electro Sight Tactical Multi Rail Riflescope from Barska is designed with the versatility in mind for both short-distance quick acquisition and medium to long-distance shooting. The riflescope has been endowed with multiple Weaver style 7/8 Picatinny rails for attaching aiming accessories such as a laser sight or a flashlight. There are side and top rails windage and elevation turrets an adjustable rheostat and an illuminated Mil-Dot reticle. The reticle is red or green-user selected-or just non-illuminated black. The CR2032 battery is included. It has a 30mm tube diameter and 1/2 MOA click values. - 30mm Tube - Multiple Picatinny Rails - Illuminated Dual Color Mil-Dot Reticle - Fully Coated Optics -