This is a small red dot sight which is used for 20mm.
– High quality for the replica.
– Use for airsoft.
– Resettable windage and elevation adjustment.
– Integrated 5/8″ 20mm Weaver rail.
– Operate by one CR123A battery.
– 1X Magnification
– A:Power ON and brightness adjustment
– B:Power ON and brightness adjustment
– A+B:Power OFF, depressing both key simultaneously
– C:Reticle color switching (Red/Green)
– Gross Weight:420g
– Reticle Type :Red and Green Mil Dot
– Color :Black
– Rail Type: 5/8″ 20mm Weaver rail
– Battery :1 x CR123A battery