-Features:
-Rugged One Piece Tube Construction for ALL Terrains / Weather
-10 brightness level Red and Green dot sight
-power safe feature, automatic power-off in 2 hours
-Easy to setup, fits any 20mm rail
-Elevation and Leverage adjustment on the side of sight
-Shockproof and weather proof material

-Specificaton:
-65 MOA ring/1 MOA dot reticle
-Magnification: 1x
-Illuminated Type: Red and Green
-Focus Type: Fixed
-Objective Diameter: 30mm x 20mm
-Dimension: 13 cm (L) x 5cm (W) x 6cm (H)
-Weight: 250 gram
-Material: Aircraft-Grade Aluminum Alloy

-Instruction: 
-A: brightness adjustment (upward)
-B: brightness adjustment (downward) 
-C: Reticle colour switching (Red / Green)
-A+B: turn off reticle