This red dot uses the Docter footprint standard.

Essential info

• Footprint standard: Docter footprint standard
• Reticle: 3 MOA dot [red]
• Window size [height x width]: 20.0 x 28.0 mm [0.79 x 1.10"]
• Total dimensions [length x width x height]: 46.0 x 32.0 x 35.0 mm [1.81 x 1.26 x 1.38"]

• The extra-large window size 20x28mm 0.8x1.1”. You will see more!

• 6061-T6 aluminum housing in rug construction light weight 56g 2.0oz

• 3MOA dot size with 8 Levels & 2 NV red dot intensity

• Weaver mount & compatible for VT footprint (can do TRI footprint too)

• >50,000 hours for NV dot & >20,000 hours for weakest visible dot

• IPX6 water proof up to 1 meter depth for 30 minutes

• Take 9mm, 45ACP, 12GA and Lapua Magnum 338 Recoil

• Clear lens with premier and protective coatings

• On/off switches on side, complete user control and 4 hours auto shut-down

• Magnification: N/A
• Window Lens Size: 20x28mm (0.8x1.1")
• Length: 46mm / 1.8"
• Width: 32mm / 1.2"
• Height: 35mm / 1.4"
• Weight (net): 56g / 2.0oz
• Eye Relief: Free
• Optics Coating: Multi Coated
• Parallax: ±1.0MOA
• Elevation Range: 45 MOA
• Windage Range: 45 MOA
• Dot Size: 3 MOA
• Dot Intensity: 8 levels & 2 night vision dot
• Mounting: Weaver, VT
• Battery Type: CR2032
• Battery Runtime: ≥50,000 hours
• Finish: Black matte
• For close-in work and general shooting
• IPX6 water proof
• 4 Hours Auto Shut Down
• Pistol application for VT footprint, and can do TRI footprint too
• High quality aluminum alloy 6061 T6 in durable black matte finish
• >50,000 hours battery runtime (at weakest visible dot level)
• Tested on 9mm Pistol, 338 Lapua Magnum rifle and 12 GA shotgun
• Package includes: retail package, weaver mount, rubber lens cover, hex keys and cleaning cloth etc