Sniper only authorized seller in the United States, the red dot without "Sniper" Logo is counterfeit. 
Features
Durable all metal construction
Allow for precision windage and elevation adjustments
Red dual-illuminated dot reticles with brightness control
Lightweight, dust-poof, weatherproof, and shockproof
Built-in for 20mm Picatinny/Weaver rails
High profile mounting option with the 1" rail riser
Rail riser compatible with both 20mm and 11mm dovetail rails
Lens covers and storage box included
Batteries are pre-installed for instant use out of box. One spare battery included for your convenience
 
Specifications
Dimensions: Length: 2.55" / 65mm, Width: 1.57" / 40mm, Height: 1.77" / 45mm (with low profile mount), 2.80"/ 71mm (with high profile mount)
Weight:117g (4.15 oz) with low profile mount, 172g (6.25 oz) with high profile mount
Obj. Aperture: 22 mm
Magnification: 1x
Field of View: 50 degrees
Eye Relief: Unlimited
Reticle Type: 2 MOA
Finish: Black Matte