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]: 17.0 x 24.0 mm [0.67 x 0.94"]
• Total dimensions [length x width x height]: 46.0 x 32.0 x 35.0 mm [1.81 x 1.26 x 1.38"]

• 3MOA Dot Size with 8 Levels & 2 NV Red Dot Intensity, Black Matte Finish

• TEK Footprint, 50,000 Hours Battery Runtime for the Weakest Visible Dot

• IPX6 Water Proof, Take 9mm, 45ACP, 12GA and Lapua Magnum 338 Recoil

• 6061-T6 Aluminum Alloy Housing, Parallax Set @ 100 Yards, Premier Lens Coating

• On/off Switches on Side, Complete User Control and 4 Hours Auto Shut-down

• Magnification: N/A
• Window Lens Size: 24X17mm
• Length: 46mm / 1.8"
• Width: 32mm / 1.2"
• Height: 35mm / 1.4"
• Weight (net):56g / 2.0oz
• Eye Relief: Free
• Field of View: 27°
• Optics Coating: Multi coated
• Parallax: ±1.0MOA
• Elevation Range: 45MOA
• Windage Range: 45MOA
• Dot Size: 3MOA
• Dot Intensity: 8 levels & 2 night vision dot
• Mounting: Weaver
• Battery Type: CR2032
• Run time: 50,000 hours for the weakest visible dot
• Finish: Black matte
• For close-in work and general shooting
• IPX6 water proof up to 1 meter depth for 30 minutes
• Pistol application with Vector Optics TEK footprint compatible with D.o.c.t.e.r
• High quality aluminum alloy 6061 in durable black matte finish
• Tested on 9mm pistol, 30-06 rifle and 12 GA shotgun
• Package includes: retail package, 2 extra screws, weaver mount, rubber lens cover, hex keys and cleaning cloth etc.