22mm objective lens and magnifies to 1X zoom. 4 pattern red and green reticle type. Three LR44 button cell batteries are included with reflex sight. Magnifier can be flipped to the side when optic is not being used. Elevation and windage adjustments located on turret caps to set reticle in the middle. Quick release mount to easily depart your product off when not in operation. Light weight optic that does not put the weight down on your airsoft gun. In the Box 1X Director Reflex Sight 3X LR44 Button Cells Specifications: BRAND Lancer Tactical CONSTRUCTION METALMAGNIFICATION 1XOBJECTIVE DIAMETER 22MMFIELD OF VIEW 15.8M@ 100MRAIL TYPE 22MMRETICLE TYPE 4 PATTERNRETICLE COLOR RED/GREENDIMENSIONS 3.6 IN. X 1.7 IN. X 2.3 IN.BRIGHTNESS CONTROL BUTTONMIRROR BLACKCOLOR BLACK California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov