This red dot uses the Docter footprint standard.

Essential info

• Footprint standard: Docter footprint standard
• Reticle: 3.5 MOA dot [red]
• Window size [height x width]: 17 x 23 mm

3.5MOA Dot Size with 6 Levels Red Dot Intensity, Switch on Side,

17x23mm Window Size, TEK Footprint, Light Weight, w/ Weaver Mount

• Magnification: N/A
• Window Lens Size: 17x23mm / 0.7x0.9"
• Length: 48mm / 1.9"
• Body Width: 28mm / 1.1"
• Height: 37mm / 1.4"
• Weight (net): 53g / 1.9oz
• Eye Relief: Free
• Optics Coating: Multi Coated
• Parallax: ±1.0MOA 50 yds
• Adjustment Range: 80MOA
• Dot Size: 3.5MOA
• Dot Intensity: Six levels
• Footprint: TEK
• Battery Type: CR2032
• Finish: Black matte
• Mounting: Weaver
• For close-in work and general shooting
• 60 minutes Auto Shut Down
• Pistol application for VT, BRS and DCT etc footprint
• High quality aluminum alloy 6061 T6 in durable black matte finish
• Package includes: retail package, weaver mount, rubber lens cover, MOA dia plate, hex key, screw driver and cleaning cloth etc