Red dot reflex sight scope GFRD-01

Feature:compact size,red dot brightness changes automatically as per ambient light

Take out the used battery, exchange with a new one and then assemble the scope
Free Fitting involved: scope cover (very low electric consumption when use cover)

adjustment, which is for lock purpose
Integrated 20mm weaver mount
To exchange the battery just use hex key to loosen the two allen screws. Take apart the scope from the weaver mount base.

Magnification: 1.0x
Tubeless Sight Window Lens Size: 25x18mm
Exit Pupil: 18-25 mm
Length: 48mm (1.9 inch), Width: 25mm
Weight (net): 55g (2.0 ounce)
Eye Relief: Free, excellent for moving target and raid shot
Field of View (ft@100yds):  
Field of View (M@ 100M):
Field of View (@100yds):
Optics Coating: Multi Coated
Reticle: Red dot support night vision with completely auto brightness feature
Elevation Range: