1.Double Layers of Glass Fused Together
2.4 MOA
3.11 Brightness Setting
4.High Riser System and Base System All in One Set
5.Reliable and Durable Quick Detach System wold'nt Hurt Your Upper
Length: 68mm (2.68" approx).
Width: 44mm (1.74" approx).
Height: 62mm (2.44" approx).
Rail Width: 20mm (0.79" approx).
Powered by lithium battery CR2032 (Not included).