Tubeless Sight Window Lens Size 21x15mm.
Length 46mm, Width 25.4mm, Height 24.3.
Weight (net) 25g.
Eye Relief Free, excellent for moving targets and raid shooting.
Optics are Multi Coated.
Reticule Red dot with automatic light sensing.
Parallax free sighting distance at 40m.
Elevation Range ± 360cm/100m.
Windage Range ± 270/100.
Shock resistant, and Fog resistant.
High-durability aluminium alloy body in matt black.
The Screws are for the adjustment of windage and elevation. Loosen
or Fasten the back two screws before or after adjustment, this locks the adjusters.
21mm weaver mount.
To exchange the battery just use hex key to loosen the two allen screws. Remove the scope from the weaver mount base. Take out the used battery, exchange with a new one and then re-assemble the scope.