Holographic Sight 558 Model Red/Green Installation Special Quick Detachable red dot for Metal Holographic Sight

558 Magnification: 1x  G33 Magnification: 3X
Relief eye: Unlimited
Lighting type: Red and green marking at level 20 brightness, providing maximum flexibility in different lighting conditions
Focus type: fixed
Material: Aluminum alloy
Easy to install and suitable for any 20mm guide
Height adjustment and leverage perspective
Earthquake and weatherproof materials
Built-in quick detachable installation, easy to install
Battery: CR123A (not included in shipment)

Operation button:
Up arrow button: Turn on power and increase brightness
Down arrow button: Turn on and reduce glare
Up and down arrow keys: Off (press these keys to close at the same time)