UH1 Tactical Red Dot Film 20mm Sight

Technical specifications:

Material: Alloy with anti-oxidation plated
Magnification: 1x
Battery: 1 * CR123 battery (NOT included for shipping) / USB port for charging
Reticle: 5 brightness levels for day viewing, 5 brightness levels for night viewing
Shift knob, auto-off in 2 hours without operation
Quick detachable mounting suitable for 20mm rails
Black colour