Holographic Scope EOTECH 558 Holographic Red Dot

Specification:
Magnification:1X
unlimited eye-relief
Fittings:Scope cover,Lens cleaning cloth
Type Illuminated: 20 level brightness red and green reticle to provide maximum flexibility in different lighting conditions
Focus Type: Fixed
Material: aluminum alloy aircraft grade
Easy to setup, fits any 20mm Rail
elevation adjustment and view of the side of Leverage
Shockproof and weatherproof materials
Easy to install with built-in quick detachable
Battery: CR123 A* 1 battery (not include)
Function key:
Up arrow button: Power on and increase brightness
Down arrow button: Power on and reduce glare
Up and down arrow keys: off, pressing the keys simultane